Fits 1991-2002 Nissan RB25DE, RB25DET, and RB26DETT engines with stock 21mm wrist pins.

This Manley H-Beam Series connecting rod is engineered for high-performance applications where strength and precision are critical. Manufactured from high-strength forgings, these rods are held to the same rigorous standards as Manley’s Sportsmaster and Pro Series components. Each unit undergoes meticulous finishing to ensure exacting tolerances for final hone size, thread detail, bend, and twist.

Ideal for replacing a single damaged rod or completing a custom engine build, this H-Beam rod provides superior resistance to the compressive and tensile loads common in turbocharged Nissan RB-series engines. All Manley rods are weight-matched and finished to precise dimensions to ensure reliable assembly and engine balance.

• High-strength forged H-beam design for maximum durability
• Engineered specifically for stock 21mm wrist pin diameters
• Meticulously finished hone and thread surfaces for precise fitment
• Maintains strict tolerances for bend and twist
• Compatible with ARP 8740 or ARP 2000 hardware options
• Manufacturer Part Number: 14028-1

Fits 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra (3.0L 2JZ-GE / 2JZ-GTE).

Manley H-Beam Series connecting rods provide a high-strength, precision-engineered upgrade for 2JZ engines at an economical price point. Designed for high-performance applications, these rods are manufactured to the same rigorous standards as Manley’s Sportsmaster and Pro Series lines. Each rod is meticulously finished to exacting tolerances, ensuring consistent hone size, thread detail, and minimal bend or twist for reliable operation under increased cylinder pressures.

• Forged from high-strength material for superior durability over OE components
• H-beam design optimized for weight-to-strength ratio
• Meticulously finished to ensure precision fitment and performance
• Capable of utilizing ARP 8740 or ARP 2000 bolt options
• Engineered to handle the demands of track and forced induction setups
• Manufacturer Part Number: 14027-6

Fits 1992-2005 Lexus GS300, IS300, SC300, and Toyota Supra (3.0L 2JZ).

The Manley H-Beam Series single connecting rod is engineered to provide professional-grade durability at an economical price point. This single rod (MPN 14027-1) is ideal for replacing a damaged component or completing a custom build without the need to purchase an entire set. Each rod is manufactured to the same rigorous standards as Manley's renowned Sportsmaster and Pro Series components, ensuring consistent quality across every dimension.

• Forged H-Beam design provides high strength-to-weight ratio for increased engine reliability
• Meticulously finished to exacting tolerances for hone size, bend, and twist
• Precision-cut threads for secure hardware installation
• Available with flexible bolt options including ARP 8740 or ARP 2000 hardware
• Manufacturer Part Number: 14027-1

Fits 1994-2001 Acura Integra GS, GS-R, LS, RS, and Type R (1.8L B18B / B18C VTEC).

Manley H-Beam Series connecting rods are engineered to provide exceptional strength and reliability for high-performance Honda B-Series builds. Manufactured to the same rigorous quality standards as Manley's renowned Sportsmaster and Pro Series, these rods offer a precision-balanced solution at an economical price point. Every rod undergoes meticulous inspection of the final hone size, thread detail, bend, and twist to ensure perfect alignment and bearing clearance.

• Forged from high-strength material for increased durability under load
• Precision honed big and small ends to exacting tolerances
• Strictly monitored for bend and twist to ensure engine longevity
• Designed for high-RPM stability in forced induction or high-compression naturally aspirated setups
• Compatible with ARP 8740 or ARP 2000 bolt options
• Manufacturer Part Number: 14026-4

Fits 1994-2001 Acura Integra models including LS, RS, GS, GS-R, and Type R.

Manley H-Beam Series connecting rods provide a high-strength, precision-engineered solution for B-series engine builds. Designed for enthusiasts seeking a balance of performance and value, these rods are manufactured from high-quality 4340 forged steel. Each rod undergoes a rigorous manufacturing process including heat treatment, stress relief, and shot peening to ensure maximum fatigue life and durability under high-load conditions.

Every set is weight-matched to within +/- 1.5 grams and 100% individually magnafluxed to detect any surface imperfections. Manley maintains exacting tolerances on final hone sizes, thread details, and alignment to ensure a reliable fit and consistent operation in high-RPM environments. These rods are built to the same quality standards as the premium Sportsmaster and Pro Series lines.

• Manufacturer Part Number: 14025-4
• Material: 4340 Forged Steel
• Weight Balance: Matched sets +/- 1.5 grams
• Testing: 100% individually magnafluxed
• Process: Heat treated, stress relieved, and shot peened
• Hardware Compatibility: Optimized for ARP 8740 or ARP 2000 bolts
• Design: H-Beam profile for superior strength-to-weight ratio

Fits 1994-2001 Acura Integra GS, GS-R, LS, RS, Special Edition, and Type R.

The Manley H-Beam Series single connecting rod (MPN 14025-1) provides a high-strength, precision-engineered solution for B18-series engine builds. Manufactured from high-tensile 4340 forgings, these rods are designed to provide professional-grade performance at an economical price point. Every rod undergoes a rigorous conditioning process, including heat treatment, stress relief, and shot peening, to ensure maximum fatigue life and structural integrity.

Manley maintains exacting tolerances on every dimension, from the final hone size to the thread detail. To ensure smooth engine rotation and balance, these rods are weight-matched to within +/- 1.5 grams. Each unit is 100% individually magnafluxed to ensure it is free from surface defects before leaving the factory.

• Manufacturer Part Number: 14025-1
• Material: Forged 4340 steel
• Design: H-Beam profile for optimized strength-to-weight ratio
• Manufacturing Process: Heat treated, stress relieved, and shot peened
• Testing: 100% individually magnafluxed
• Weight Balance: Matched sets +/- 1.5 grams
• Hardware Compatibility: Designed for use with ARP 8740 or ARP 2000 bolts

Fits select 1980-2014 Subaru Impreza WRX/STI, Legacy GT, Brat, and XT models (EJ18/20/22/25 engines).

Manley H-Beam Series connecting rods provide an ideal balance of strength, weight, and value for high-performance Subaru builds. Manufactured to the same exacting standards as the Sportsmaster and Pro Series, these rods are engineered to withstand the increased cylinder pressures and rotational stress of modified EJ-series engines. Each rod undergoes rigorous quality control, including precision honing of the big and small ends and meticulous inspection for bend and twist to ensure perfect alignment in the block.

• Precision Engineering: Finished to exacting tolerances with specific attention to final hone size and thread detail.
• Forged Strength: H-Beam design provides high rigidity for turbocharged and high-RPM applications.
• Premium Hardware: Compatible with ARP 8740 or ARP 2000 bolt options for secure clamping.
• Part Number: 14024-4

Vehicle Fitment:

• 1980-1989 Subaru DL, GL, GL-10, GLF
• 1981-1987 Subaru Brat
• 1981-1982 Subaru Standard
• 1985-1991 Subaru XT
• 1986-1989 Subaru RX Turbo
• 1990-1994 Subaru Loyale
• 1995, 2005-2006 Subaru Legacy (Base, GT)
• 2002-2014 Subaru Impreza WRX / STI

Fits select 1980-2014 Subaru (WRX, STI, GL, DL, Brat, XT) and 2005-2006 Saab 9-2X Aero (EJ18/20/22/25 engines).

The Manley H-Beam Series single connecting rod is engineered to provide high-strength performance for EJ-series engine builds. Manufactured to the same exacting standards as Manley's Sportsmaster and Pro Series components, these rods offer a reliable solution for enthusiasts and racers requiring precision tolerances without the premium cost of custom forgings.

• Forged Strength: Meticulously crafted from high-quality materials to handle increased cylinder pressures.
• Precision Finishing: Every rod undergoes final honing to ensure perfect bore sizing and alignment.
• Rigorous QC: Critical attributes including thread detail, bend, and twist are inspected to meet strict engineering specifications.
• Fastener Compatibility: Designed for use with high-tensile ARP 8740 or ARP 2000 bolts for maximum clamping force.
• Weight Matched: Finished to tight tolerances to ensure rotating assembly balance.
• Manufacturer Part Number: 14024-1

Whether replacing a damaged rod or building a moderately boosted EJ-series block, this H-Beam rod provides the structural integrity and dimensional accuracy required for high-RPM operation.

Fits 1989-2002 Nissan 240SX, 200SX, Sentra SE-R, NX, and Infiniti G20 equipped with 2.0L SR20DE or SR20DET engines.

Manley H-Beam Series connecting rods are engineered to provide exceptional strength and reliability for high-performance Nissan builds. Manufactured to the same rigorous standards as the Manley Sportsmaster and Pro Series, these rods offer a precision-crafted solution for street and track applications. Every rod is meticulously inspected for final hone size, thread detail, bend, and twist to ensure perfect alignment and bearing clearances.

• Manufacturer Part Number: 14023-4
• Design: High-strength H-Beam construction
• Engine Application: Nissan 2.0L SR20DE / SR20DET
• Flexible Bolt Options: Compatible with ARP 8740 or ARP 2000 fasteners
• Manufacturing: Precision finished to exacting tolerances for maximum durability
• Inspection: Detailed quality control on every rod for thread integrity and structural alignment

Fits 1991-2002 Nissan 2.0L (SR20DE and SR20DET) engines.

Manley H-Beam Series connecting rods provide an ideal balance of high-strength performance and exceptional value for SR20 engine builds. Engineered to the same rigorous standards as the renowned Sportsmaster and Pro Series, these rods are meticulously manufactured to handle the increased stresses of high-RPM and forced induction applications. Each rod is precision-finished, with strict attention paid to final hone size, thread detail, bend, and twist to ensure perfect alignment and long-term reliability.

• Construction: High-strength H-Beam design for superior weight-to-strength ratio
• Precision Machining: Finished to exacting tolerances for consistent performance
• Hardware Options: Designed for use with high-tensile ARP 8740 or ARP 2000 bolts
• Quality Control: Every rod is inspected for thread detail, bend, and twist
• Configuration: Sold as a single connecting rod
• Manufacturer Part Number: 14023-1

Fits select 1993-2006 Mitsubishi Lancer Evolution, Eclipse, Eagle Talon TSi, and Plymouth Laser RS (7-Bolt 4G63/4G63T engines).

Manley H-Beam Series connecting rods provide a high-strength solution for engine builds requiring greater durability than stock components. Engineered to the same rigorous standards as the Sportsmaster and Pro Series lines, these rods are manufactured from high-quality forgings and finished to exacting tolerances. Each rod undergoes a meticulous inspection process, including final hone sizing, thread detail verification, and alignment checks for bend and twist.

• Manufacturer Part Number: 14022-4
• Series: Manley H-Beam
• Engine Configuration: 7-Bolt 4G63 / 4G63T
• Hardware: Compatible with ARP 8740 or ARP 2000 bolt options
• Precision finish for exact tolerances and reliable performance
• Designed for high-load track and street applications

Fits select 1993-2006 Mitsubishi Lancer Evolution, Eclipse (GS/GST/GSX/Spyder), Eagle Talon TSi, and Plymouth Laser RS.

Manley H-Beam Series connecting rods provide a high-strength, precision-machined solution for performance engine builds requiring a +6mm longer rod. These rods are manufactured from high-quality forgings and held to the same rigorous standards as Manley’s Sportsmaster and Pro Series lines. Every rod is meticulously finished to ensure exacting tolerances, with specific attention paid to final hone size, thread detail, bend, and twist to provide a reliable foundation for high-stress applications.

• H-Beam design provides an exceptional strength-to-weight ratio for increased durability
• +6mm longer length facilitates specific rod-to-stroke ratio configurations
• Meticulously finished to exacting tolerances for precision fitment and performance
• Compatible with ARP 8740 or ARP 2000 cap screw bolts
• Sold as a complete set
• Manufacturer Part Number: 14020-4

Fits select 2001-2010 Nissan and Infiniti models including 350Z, Altima, Maxima, G35, and FX35 equipped with the VQ35DE engine.

Manley H-Beam Series connecting rods provide a high-strength, precision-engineered solution for VQ35DE performance builds. Positioned as a superior choice that balances quality and value, the H-Beam Series is manufactured to the same exacting standards as Manley’s renowned Sportsmaster and Pro Series rods. Every rod undergoes meticulous finishing to ensure precise big-end hone sizes and strict tolerances for bend and twist.

Designed to withstand the stresses of high-RPM use and increased cylinder pressures, these rods feature an H-beam profile for an optimal strength-to-weight ratio. They are engineered to provide a competitive advantage on the track while maintaining the reliability required for high-performance street applications. For maximum assembly security, these rods are compatible with high-quality ARP 8740 or ARP 2000 fasteners.

• Manufacturer Part Number: 14019-6
• Engine Application: Nissan/Infiniti VQ35DE / VQ35DET
• Design: H-Beam profile for superior structural integrity
• Hardware Options: Compatible with ARP 8740 or ARP 2000 bolts
• Finish: Precision honed and aligned to exacting tolerances
• Fitment: Replaces factory connecting rods in select 2001-2010 V6 3.5L applications

Fits 2002-Up Honda CR-V models equipped with the 2.4L DOHC K24 engine.

Manley H-Beam Series connecting rods provide a high-strength, economical solution for the Honda K24 platform without compromising on quality. These rods are manufactured to the same rigorous standards as the renowned Sportsmaster and Pro Series, ensuring exceptional reliability for performance applications. Each rod is precision-finished to exacting tolerances, with meticulous attention paid to final hone size, thread detail, bend, and twist.

• Designed for Honda 2.4L DOHC K24 engines
• H-Beam configuration for superior strength-to-weight ratio
• Finished to exacting tolerances for precise fitment and performance
• Engineered for use with high-strength ARP 8740 or ARP 2000 hardware
• Complete set of 4 connecting rods
• Manufacturer Part Number: 14015-4

Fits 2002+ Honda CR-V (2.4L) with the K24 DOHC VTEC engine.

This Manley H-Beam Series connecting rod provides a high-strength, precision-engineered solution for K24 engine builds. Crafted to the same rigorous standards as the flagship Sportsmaster and Pro Series lines, this single rod (MPN 14015-1) offers an ideal balance of durability and value for enthusiasts looking to reinforce their rotating assembly.

• Precision Manufacturing: Every rod is meticulously checked for final hone size, thread detail, bend, and twist to ensure perfect alignment.
• H-Beam Geometry: Optimized profile provides a superior strength-to-weight ratio compared to stock components, handling increased cylinder pressures and RPM.
• Flexible Hardware Options: Designed to accommodate either ARP 8740 or ARP 2000 bolts, allowing you to tailor the clamping force to your specific performance requirements.
• Exacting Tolerances: Finished to tight specifications for consistent performance and reliable bearing fitment.
• Manufacturer Part Number: 14015-1

Fits 2002+ Acura RSX (2.0L) with the K20 DOHC engine. This Manley H-Beam Series connecting rod set is engineered to provide a high-strength, precision-machined solution for performance engine builds, maintaining the same manufacturing standards as Manley's Sportsmaster and Pro Series components.

Every rod in this set is finished to exacting tolerances, with specific focus on the final hone size, thread detail, bend, and twist. These H-Beam rods are designed to handle increased rotational stress and cylinder pressure, making them a reliable choice for high-RPM or boosted K-series applications.

• Engine Series: K20 VTEC DOHC
• Construction: High-strength H-Beam design
• Hardware: Compatible with ARP 8740 or ARP 2000 bolt options
• Quantity: Complete set of 4 rods
• Precision: Finished to exact tolerances for bend and twist
• Manufacturer Part Number: 14014-4

Fits 1990-2005 Mazda Miata (1.6L / 1.8L).

Manley H-Beam Series connecting rods provide a high-strength, precision-engineered alternative to factory components, making them an ideal choice for performance-oriented Mazda Miata builds. These rods are manufactured to the same rigorous quality standards as the renowned Sportsmaster and Pro Series lines, ensuring dependable performance at an economical price point.

• Precision-finished to exacting tolerances for hone size, bend, and twist
• Designed to withstand higher RPMs and increased cylinder pressures
• Compatible with ARP 8740 or ARP 2000 bolt options for maximum clamping force
• Shot-peened for increased fatigue life and durability
• Replaces weak factory rods in B6 1.6L and BP 1.8L engines
• Manufacturer Part Number: 14011-4

Whether you are building a naturally aspirated track car or a forced-induction street machine, Manley H-Beam rods provide the structural integrity required to protect your rotating assembly under load.

Fits 1990-2005 Mazda Miata (1.6L / 1.8L B6/BP) including Base, LS, M Edition, and Mazdaspeed models.

Manley H-Beam Series connecting rods offer a high-strength, performance-oriented solution for Mazda B6 and BP engine builds. Engineered to provide exceptional durability at an economical price point, these rods are manufactured to the same rigorous standards as the renowned Sportsmaster and Pro Series lines. Each rod is meticulously finished to ensure exacting tolerances for final hone size, thread detail, bend, and twist.

Designed for high-performance street and track applications, the H-Beam profile provides the rigidity needed to handle increased power levels while maintaining a weight-conscious design. This single rod is ideal for replacement or custom engine configurations where precision and reliability are non-negotiable.

• Manufacturer Part Number: 14011-1
• Rod Configuration: Single H-Beam rod
• Engine Compatibility: Mazda 1.6L B6 / 1.8L BP
• Design: High-strength H-Beam construction
• Hardware Compatibility: Designed for use with ARP 8740 or ARP 2000 bolts
• Quality Standards: Finished to exacting tolerances for precision fitment

Fits select 1992-2011 Acura Integra, RSX, TSX, and Honda Accord, Civic, CR-V, Element, Prelude, and S2000 models.

Manley Sport Compact valve locks are engineered for precision and reliability in high-performance valvetrains. These 13010-8 valve locks feature a 5.5mm bore and an OEM-style radius groove to ensure a secure interface between the valve stem and the retainer. Designed as a direct replacement for factory locks or for use with Manley Sport Compact series retainers, these components provide the clamping force necessary to prevent retainer pull-through or valve drop during high-RPM operation.

• Precision machined from high-strength steel alloy
• 5.5mm stem diameter compatibility
• OEM radius groove profile for reliable seating
• Set of 8 pieces
• Manufacturer Part Number: 13010-8

Designed for the high-revving demands of the Ford 5.2L Voodoo engine, this Manley Race Master Series exhaust valve set provides the durability required for bracket, drag, and oval track racing. These valves are engineered specifically for engines operating under 8,000 RPM and are the recommended choice for exhaust applications in alcohol-fueled engines.

Each valve is constructed from high-temp XH-426 stainless steel to withstand extreme combustion temperatures. The Race Master design features a straight stem profile, swirl-polished underhead areas, and fully machined combustion faces to optimize exhaust gas flow and efficiency. To ensure long-term reliability and wear resistance, Manley incorporates chrome-plated stems and hardened tips.

• Fits Ford 5.2L Voodoo engines
• Head Diameter: 1.280 in
• Material: XH-426 Stainless Steel
• Series: Race Master (Straight Stem)
• Finish: Swirl polished underhead and machined combustion face
• Features: Chrome stems and hardened tips for superior wear resistance
• Manufacturer Part Number: 12631-8

The Manley Race Master Series Intake Valve Set is specifically engineered for the Ford GT350 Voodoo (5.2L) engine, providing the structural integrity required for bracket, drag, and oval track racing. Designed for high-performance applications operating under 8,000 RPM, these valves utilize the Race Master straight-stem profile to ensure reliability under extreme mechanical stress.

• Premium Construction: Manufactured from NK-842 stainless steel for superior durability and heat resistance in high-performance intake tracts.
• Optimized Airflow: Features swirl-polished under-head areas and fully machined combustion faces to maximize intake efficiency and flow velocity.
• Enhanced Longevity: Equipped with chrome-plated stems and hardened tips to resist wear and extend the service life of both the valves and guides.
• Application-Specific Design: Developed as a high-strength alternative to factory components for the Ford 5.2L Voodoo platform.
• Key Specifications: 1.508-inch head diameter; straight-stem Race Master shape; MPN 12630-8.

This Manley Race Master Series exhaust valve set is engineered specifically for Gen III Ford 5.0L Coyote modular engines. Designed to meet the requirements of bracket, drag, and oval track racing, these valves are optimized for engines operating up to 8,000 RPM and are the recommended choice for exhaust ports in alcohol-fueled racing engines.

Constructed from high-strength XH-426 stainless steel, these Race Master valves feature a straight-stem profile for consistent performance. To improve airflow and combustion efficiency, the under-head areas are swirl polished and the combustion faces are fully machined. Durability is further enhanced with chrome-plated stems and hardened tips to resist wear in high-stress valvetrain environments.

• Fits Gen III Ford 5.0L Coyote engines
• Valve Diameter: 1.260 in
• Material: XH-426 Stainless Steel
• Stem Style: Race Master (Straight Stem)
• Machining: Swirl polished under-heads and fully machined faces
• Stem Treatment: Chrome-plated stems with hardened tips
• RPM Rating: Up to 8,000 RPM
• Manufacturer Part Number: 12629-8

Engineered for the rigorous demands of bracket, drag, and oval track racing, the Manley Race Master Series Intake Valve Set is a professional-grade solution for Ford Modular Coyote 5.0L Gen III engines (5.0L) operating under 8,000 RPM. These valves provide the durability and flow characteristics required for high-performance builds, including those running alcohol fuel.

Each valve is manufactured from high-grade NK-842 stainless steel for superior heat resistance and structural integrity. The Race Master straight stem design features swirl-polished under-head areas and fully machined combustion faces to maximize intake airflow efficiency. To ensure longevity under high-stress conditions, Manley incorporates chrome-plated stems and hardened tips for exceptional wear resistance against valve guides and rockers.

• Series: Race Master (Straight Stem)
• Valve Type: Intake
• Material: NK-842 Stainless Steel
• Head Diameter: 1.485 in
• Stem Finish: Chrome Plated
• Face Design: Swirl Polished and Fully Machined
• Manufacturer Part Number: 12628-8

Optimized for high-performance Chevrolet LT1 (6.2L) engines, these Manley Race Series Race Flo intake valves are engineered for the rigors of bracket, drag, and oval track racing. Designed for engines operating at up to 8,000 RPM, these valves utilize the Race Flo shape to maximize intake charges and improve volumetric efficiency.

Each valve is constructed from NK-842 stainless steel to provide the thermal stability and tensile strength required for high-stress racing environments. The under-head areas are swirl polished and the combustion faces are fully machined to ensure smooth, unobstructed airflow. To ensure a long service life and consistent sealing, these valves feature hard tips and chrome-plated stems for superior wear resistance within the valve guides.

• Fits Chevrolet LT1 (6.2L) engines
• Manufacturer Part Number: 12348-8
• Series: Race Series (Race Flo shape)
• Head Diameter: 2.120 in
• Material: NK-842 Stainless Steel
• Finish: Swirl polished heads and chrome-plated stems
• Quantity: Set of 8 intake valves
• Engineered for applications under 8,000 RPM

Fits Chevy LT-1 (6.2L) engines.

Manley Pro Flo / Severe Duty Exhaust Valves are engineered to withstand the extreme thermal loads of high-output gasoline engines. Utilizing Manley's exclusive XH-428 stainless steel alloy, these exhaust valves offer significantly higher tensile strength than standard performance alloys. In rigorous fatigue testing at 1400°F and 40,000 psi, these valves maintained integrity for over 100 million cycles, providing a massive increase in service life over competing components.

Each valve in this set of eight features a swirl-polished underhead and a fully machined combustion face to optimize exhaust gas flow and combustion chamber efficiency. To ensure long-term reliability in high-RPM applications, the valves are finished with chrome-plated stems and hardened tips for superior wear resistance.

• Manufacturer Part Number: 12347-8
• Head Diameter: 1.590in
• Material: XH-428 Stainless Steel Alloy (Exhaust)
• Stem Construction: Chrome-plated stems with hard tips
• Finish: Swirl-polished underheads and machined faces
• Quantity: Set of 8

Fits Chevrolet LT1 engines (6.2L).

Manley Race Master series exhaust valves are specifically engineered for the high-load environments of bracket, drag, and oval track racing. Designed for engines operating at or below 8,000 RPM, these valves are built to withstand the extreme thermal demands of racing, making them the recommended choice for alcohol-fueled engines. Each valve is manufactured from XH-426 stainless steel for maximum durability and resistance to high combustion temperatures.

To maximize airflow and improve combustion efficiency, these valves feature swirl-polished under-head areas and fully machined combustion faces. The Race Master profile uses a straight stem design for consistent strength and stability. To ensure longevity and reduce friction, Manley incorporates chrome-plated stems and hardened tips to resist wear in demanding valvetrain configurations.

• Head Diameter: 1.590in
• Material: XH-426 Stainless Steel
• Stem Type: Race Master (Straight Stem)
• Finish: Swirl polished under-head with chrome stems and hard tips
• Quantity: Set of 8
• Manufacturer Part Number: 12345-8

Fits 2011 and newer Chrysler and Dodge models equipped with the 6.4L Hemi engine.

Manley Race Master valves are meticulously engineered to handle the rigorous demands of bracket, drag, and oval track racing. Designed specifically for engines operating at speeds up to 8000 RPM, these valves provide the thermal stability and durability required for high-performance applications. Constructed from XH-426 stainless steel, these exhaust valves are the recommended choice for alcohol-fueled engines where reliability is paramount.

• High-Grade Material: Manufactured from XH-426 stainless steel for exceptional heat and corrosion resistance.
• Optimized Airflow: Features swirl-polished under-head areas and fully machined combustion faces to improve efficiency.
• Wear Resistance: Equipped with chrome-plated stems and hardened tips for extended service life in high-stress environments.
• Precision Specs: 1.654" head diameter with a triple groove stem design.
• Race Ready: Straight stem Race Master profile designed for consistent performance across high-RPM cycles.
• Quantity: Set of 8 exhaust valves.
• MPN: 12331-8

Fits select 2011-present Chrysler and Dodge models (6.4L Hemi).

Manley Race Flo intake valves are engineered for the specific demands of bracket, drag, and oval track racing in engines operating under 8,000 RPM. These valves are constructed from NK-842 stainless steel for high-temperature durability and long-term reliability in high-performance environments.

Each valve features a swirl-polished under-head area and a fully machined combustion face to optimize airflow and efficiency. To ensure longevity, Manley incorporates chrome-plated stems and hardened tips for superior wear resistance. These valves utilize a triple-groove stem design for secure retainer fitment in Hemi cylinder heads.

• Manufacturer Part Number: 12330-8
• Valve Type: Intake
• Series: Race Flo
• Head Diameter: 2.140"
• Stem Style: Triple Groove
• Material: NK-842 Stainless Steel
• Finish: Chrome stems and hard tips
• Quantity: Set of 8

Fits select 2005-2008 Chrysler 300, Dodge Charger, Dodge Magnum, and Jeep Grand Cherokee (6.1L).

Manley Race Flo series intake valves are engineered for the high-demand environments of bracket, drag, and oval track racing. Designed for engines operating up to 8,000 RPM, these valves utilize NK-842 stainless steel construction to provide the heat resistance and structural integrity required for performance HEMI builds. Each valve features a swirl-polished under-head area and a fully machined combustion face to improve airflow and combustion efficiency.

To ensure long-term durability in high-performance valvetrains, Manley incorporates chrome-plated stems and hardened tips for superior wear resistance. This set includes eight 2.080-inch head diameter intake valves featuring a triple-groove stem configuration for precise fitment with factory-style or compatible aftermarket keepers.

• Material: NK-842 Stainless Steel
• Head Diameter: 2.080 in
• Stem Configuration: Triple Groove
• Shape: Race Flo (Optimized for airflow)
• Finish: Swirl polished under-head with chrome stems and hard tips
• MPN: 11668-8

Vehicle Fitment

Fits 1992-2010 Dodge Viper (V10).

Manley Race Master series intake valves are engineered for the high-stress environments of bracket, drag, and oval track racing. Specifically designed for engines operating at speeds up to 8000 RPM, these valves provide a durable and high-flow solution for the Viper V10 platform.

Constructed from high-strength NK-842 stainless steel, these valves feature a swirl-polished under-head area and a fully machined combustion face to optimize airflow and combustion efficiency. The chrome-plated stems and hardened tips ensure long-term wear resistance and consistent valve guide clearances under heavy racing loads.

• Manufacturer Part Number: 11644-10
• Series: Race Master (Straight Stem)
• Head Diameter: 2.020 in
• Valve Type: Intake
• Material: NK-842 Stainless Steel
• Quantity: Set of 10
• Finish: Swirl polished and fully machined
• Stem: Chrome-plated stems with hardened tips