The Moroso High-Pressure Racing Radiator Cap is engineered to handle the extreme thermal demands of competitive racing. By maintaining a 34-38 PSI system pressure, this cap effectively raises the boiling point of your engine coolant, preventing boil-over and ensuring consistent cooling performance during high-load operation. It is a critical upgrade for cooling systems that need to perform beyond the limits of standard factory components.

• Pressure Rating: 34-38 PSI
• Manufacturer Part Number: 63333
• Optimized for high-performance and racing cooling systems
• Raised boiling point provides a greater safety margin against overheating
• Built to withstand the rigors of track use

The Moroso 63332 Racing Radiator Cap is engineered specifically for high-performance cooling systems that require elevated operating pressures. By maintaining a 31-33 lbs pressure range, this cap significantly raises the boiling point of the engine coolant, providing a critical margin of safety against overheating and fluid loss during demanding racing conditions.

• Manufacturer Part Number: 63332
• Pressure Rating: 31-33 lbs
• Application: Designed for professional racing and high-performance cooling systems
• Function: Increases cooling system efficiency by raising the coolant boiling point
• Compatibility: Fits standard large-size radiator necks

Maintain cooling system integrity under extreme track conditions with the Moroso 63324 Racing Radiator Cap. Specifically engineered for high-performance cooling systems, this high-pressure cap features a 23-25 lbs rating, which effectively raises the boiling point of your coolant to prevent boil-over and thermal expansion issues during racing.

Built to professional standards, this cap provides a consistent seal for your radiator or expansion tank, ensuring the cooling system remains pressurized to maximize heat transfer efficiency. It is a vital upgrade for high-horsepower applications where standard OE-pressure caps may allow premature venting and overheating.

• Manufacturer Part Number: 63324
• Pressure Rating: 23-25 lbs (psi)
• Application: High-performance and racing cooling systems
• Construction: Engineered for high-temperature durability and a precise fit
• Benefit: Increases coolant boiling point to prevent engine overheating

The Moroso 63320 Racing Radiator Cap is engineered for high-performance cooling systems that demand higher operating pressures than standard street applications. Rated at 19-21 lbs, this cap effectively raises the boiling point of your engine coolant, providing a vital margin of safety against overheating and boil-over during aggressive track use or high-RPM competition.

• Pressure Range: 19-21 psi (lbs)
• Manufacturer Part Number: 63320
• Function: Increases cooling system pressure to elevate the coolant boiling point
• Application: Designed specifically for racing and high-performance cooling configurations
• Reliability: Helps prevent coolant loss due to expansion under extreme heat conditions

Maintain consistent cooling system pressure under grueling track conditions with the Moroso Racing Radiator Cap. This high-pressure cap is engineered to raise the boiling point of your engine coolant, providing a critical safety margin when temperatures climb during competitive driving or high-load operation.

Designed to fit standard-size radiator filler necks, this cap features a calibrated 14-18 PSI pressure rating. The robust internal spring and high-temperature seal construction ensure reliable performance, preventing premature coolant discharge into the recovery tank and maintaining the thermal efficiency of your cooling loop.

• Pressure Rating: 14-18 lbs (PSI)
• Application: Racing and high-performance cooling systems
• Fitment: Standard size radiator filler necks
• Prevents premature boiling and coolant loss
• Manufacturer Part Number: 63316

Achieve professional-grade precision during engine assembly with the Moroso 18-Inch Professional Camshaft Degree Wheel (62191). Designed for engine builders who demand the highest level of accuracy, this large-diameter wheel makes it easier to precisely time camshafts, check valve train geometry, and verify top dead center (TDC).

• Maximum Accuracy: The 18-inch diameter provides a larger circumference, allowing for granular degree markings that are significantly easier to read and more precise than smaller standard wheels.
• Clear Layout: Features high-contrast, easy-to-read increments for critical measurements including cam lobe lift, duration, and centerline specifications.
• Durable Build: Constructed to maintain a flat, true profile for repeatable results across multiple engine builds.
• Essential Tool: A must-have for performance tuning and blueprinting high-performance engines.

Manufacturer Part Number: 62191

Fits Ford 289, 302, and 351W small block engines equipped with an HEI-style distributor cap.

The Moroso Ultra 350 Spark Plug Wire Set (MPN 52047) is engineered for performance and reliability in Small Block Ford applications. These 8mm diameter wires feature a high-temperature silicone jacket that protects against engine bay heat and prevents voltage leaks. The set is finished in a vibrant red and includes multi-angle boots, which allow for easier installation and clearance adjustments around exhaust headers and tight engine compartments.

Designed with HEI-style (male) terminals for the distributor cap, these wires ensure a secure connection and consistent spark delivery. The Ultra 350 series provides excellent RFI suppression, making them suitable for both street and track use while protecting sensitive electronic ignition components.

• Manufacturer Part Number: 52047
• Wire Diameter: 8mm
• Color: Red
• Distributor Cap Style: HEI (Male)
• Spark Plug Boot Style: Multi-Angle
• Compatible Engines: Ford 289, 302, 351W

The Moroso Ultra 350 series spark plug wire set (MPN 52046) provides a high-performance ignition solution for universal engine applications. These 8mm wires are engineered to deliver consistent spark energy while maintaining excellent interference suppression for street and performance builds.

This universal set is designed for maximum versatility, including both HEI and non-HEI style distributor caps to accommodate various ignition system configurations. The multi-angle boots provide the flexibility needed to route wires safely away from hot exhaust headers and tight engine bay obstacles.

• Product Line: Ultra 350
• Wire Diameter: 8mm
• Color: Red
• Boot Style: Multi-angle for flexible installation
• Cap Style: Includes HEI and Non-HEI terminals/boots
• Manufacturer Part Number: 52046

Fits GM Big Block Chevy (BBC) 366, 396, 402, 427, and 454 engines equipped with HEI-style distributors (without coil-in-cap).

The Moroso Ultra 350 Spark Plug Wire Set is engineered for high-performance street and racing applications where ignition reliability is critical. These 8mm wires feature a high-dielectric silicone jacket that resists heat, oil, and chemicals, ensuring consistent voltage delivery to the plugs. The multi-angle boots provide the necessary flexibility to clear exhaust headers and tight engine bay clearances, solving common routing issues on Big Block platforms. This set is designed specifically for external coil HEI setups, providing a secure, snap-lock fit at the distributor cap.

• 8mm wire diameter with a durable red silicone insulation jacket
• Multi-angle spark plug boots for optimized routing and header clearance
• Compatible with HEI-style distributor terminals (external coil applications)
• Pre-terminated for straightforward installation on GM Big Block V8 engines
• Manufacturer Part Number: 52039

Designed for Big Block Chevy engines (366-454) equipped with HEI-style coil-in-cap distributors, this Moroso Ultra 350 8mm Spark Plug Wire Set delivers reliable ignition performance for street and strip applications. The 8mm diameter wires feature a high-temperature silicone jacket that provides superior protection against heat soak and engine fluids while maintaining excellent dielectric strength.

• Fits GM Big Block Chevy (BBC) 366, 396, 402, 427, and 454 engines
• Engineered for HEI-style ignition systems with coil-in-cap distributors
• 8mm diameter wire with high-temperature red silicone insulation
• Multi-angle spark plug boots provide flexibility to clear headers and exhaust manifolds
• Optimized for low resistance and high-voltage delivery
• Manufacturer Part Number: 52038

Fits select 1999-2013 GM vehicles equipped with LS and LQ series engines (6.2L).

The Moroso Ultra 350 Spark Plug Wire Set is engineered for high-performance ignition on late-model GM LS-based engines. These 8mm wires feature a spiral core design that provides excellent RFI suppression and high conductivity, ensuring maximum spark energy reaches your plugs even in high-heat environments. The multi-angle boots allow for adjustable positioning to provide essential clearance around exhaust headers and tight engine bay components.

• Manufacturer Part Number: 52037
• 8mm diameter wire with durable red silicone jackets
• Multi-angle plug boots for versatile routing and header clearance
• Optimized for high-output LS and LQ series ignition systems
• Full set of 8 spark plug wires

Fits 1997-2013 Chevrolet Corvette models (5.7L / 6.0L / 6.2L).

The Moroso Ultra 350 series 8mm Spark Plug Wire Set is engineered to deliver consistent ignition performance for LS-based Corvette powerplants. These wires are constructed with a high-temperature red silicone outer jacket designed to withstand the intense heat, oil, and chemical exposure common in high-performance engine bays. The multi-angle boots allow for adjustable positioning, providing essential clearance around exhaust headers and steering components for a clean, professional installation.

• Wire Diameter: 8mm
• Series: Ultra 350
• Boot Type: Multi-Angle for versatile fitment
• Color: Red silicone jacket
• Manufacturer Part Number: 52036

Designed specifically for GM Gen V LT1 and LT4 engines, the Moroso Ultra 350 Ignition Spark Plug Wire Set provides high-performance spark delivery in a durable 8mm package. These wires feature a low-resistance design to ensure maximum energy reaches the plugs, optimizing combustion for high-output street and track applications.

This set is engineered with multi-angle boots to provide superior clearance around exhaust manifolds and headers, preventing heat-related failures and ensuring a secure fit on the coil packs and spark plugs. The red silicone jackets offer excellent dielectric strength and resistance to chemicals and under-hood heat.

• Fits GM Gen V LT1 and LT4 engines
• 8mm wire diameter with high-temperature silicone insulation
• Ultra 350 series low-resistance wire core
• Multi-angle boots for versatile fitment and heat clearance
• Complete set of 8 ignition wires in red
• Manufacturer Part Number: 52035

Ensure consistent ignition performance for your Small Block Ford with the Moroso Ultra 350 Spark Plug Wire Set. Engineered specifically for Ford 289, 302, and 351W engines equipped with HEI-style distributor caps, these 8mm wires provide the durability and energy transfer required for reliable operation in performance and street environments.

This set features Moroso's versatile multi-angle boots, which can be adjusted and held in position to provide critical clearance around headers, exhaust manifolds, or steering components. The 8mm diameter construction offers excellent insulation and resistance against under-hood heat, ensuring your ignition system remains efficient under load.

• Fits Ford 289, 302, and 351W engines
• 8mm Ultra 350 series wire with black insulation
• Terminated for HEI-style distributor caps
• Multi-angle spark plug boots for customizable clearance
• Complete set for V8 applications
• Manufacturer Part Number: 51047

The Moroso Ultra 350 8mm Multi-Angle Boot Spark Plug Wire Set provides a versatile, high-performance ignition solution for universal engine applications. Engineered for durability and consistent spark delivery, these 8mm wires feature high-temperature insulation to withstand the rigors of performance driving and tight engine bays.

This universal set is designed for maximum flexibility, including both HEI and Non-HEI style distributor terminals and boots. The multi-angle spark plug boots allow for precision routing to clear headers, steering shafts, and other obstructions, ensuring a professional-grade installation on a variety of cylinder head configurations.

• Manufacturer Part Number: 51046
• Wire Diameter: 8mm
• Series: Ultra 350
• Terminal Type: Multi-angle boots for custom fitment
• Distributor Caps: Includes terminals for both HEI and Non-HEI style caps
• Color: Black finish

Engineered for high-performance GM Big Block Chevy applications, the Moroso Ultra 350 Spark Plug Wire Set provides a reliable ignition path for 366, 396, 402, 427, and 454 engines. These 8mm wires are designed specifically for HEI-style distributors using an external coil (without coil-in-cap configuration). The multi-angle spark plug boots offer versatile routing to ensure maximum clearance around headers and hot exhaust manifolds, preventing heat soak and ignition arcing.

• Compatible with GM Big Block Chevy (BBC) 366-454ci engines
• Wire Diameter: 8mm for superior insulation and durability
• Boot Style: Multi-angle terminals for flexible routing and header clearance
• Distributor Type: HEI-style terminals (designed for systems without coil-in-cap)
• Wire Series: Ultra 350
• Color: Black
• Manufacturer Part Number: 51039

Fits select 1999-2013 GM LS and LQ series engines (6.2L).

The Moroso Ultra350 Spark Plug Wire Set is engineered to provide a high-performance ignition path for GM LS-based powerplants. These 8mm wires are designed with multi-angle boots, offering the flexibility needed to clear aftermarket headers or custom coil mounting locations. The Ultra350 series provides excellent EMI suppression and high-dielectric strength to ensure consistent spark delivery under heavy load.

• Manufacturer Part Number: 51037
• Wire Diameter: 8mm
• Product Line: Ultra350
• Boot Type: Multi-angle for versatile routing and header clearance
• Color: Black
• Set includes all necessary wires for a V8 engine configuration

Fits GM LS-series engines including 5.7L, 6.0L, 6.2L, and 7.0L displacements. This Moroso Ultra 350 ignition wire set is engineered to deliver maximum electrical energy to your spark plugs, ensuring a hot, consistent spark for reliable combustion under performance conditions.

Built with 8mm diameter wire for superior insulation, this set features multi-angle boots that provide the flexibility needed to clear custom headers or tight engine bay configurations. These wires are designed to replace worn OE leads with a more durable, high-voltage alternative that resists heat and electrical interference.

• Manufacturer Part Number: 51036
• Wire Diameter: 8mm
• Series: Ultra 350
• Boot Style: Multi-Angle
• Engine Fitment: GM LS (5.7L, 6.0L, 6.2L, 7.0L)
• Color: Black

Fits GM Gen V LT1 and LT4 engines.

The Moroso Ultra 350 8mm Ignition Spark Plug Wire Set provides a reliable, high-dielectric path for ignition energy in GM Gen V LT-based engines. These wires are engineered with an 8mm diameter to withstand the high-heat environments of modern engine bays while preventing voltage leaks and electromagnetic interference. Designed specifically for the LT platform, this set ensures a clean installation with proper lead lengths.

• Multi-Angle Boots: Features adjustable boots at the spark plug end, providing essential clearance for custom exhaust headers, factory manifolds, and heat shields.
• 8mm Construction: High-dielectric strength insulation protects against crossfire and voltage breakdown.
• Direct Fit: Terminated and cut to lengths appropriate for GM Gen V LT1 and LT4 cylinder head and coil pack geometry.
• Finish: Stealthy black wire jacket and boots for a clean engine bay aesthetic.
• Manufacturer Part Number: 51035

Ensure secure wheel fitment for performance and racing applications with these Moroso press-in wheel studs. Designed to provide the additional length required for thick-hub aftermarket wheels or when using spacers, these studs ensure proper thread engagement and meet sanctioned racing safety requirements.

• Thread Size: 1/2in-20
• Overall Length: 3in
• Construction: High-grade heat-treated alloy steel for maximum shear strength
• Application: Press-in style replacement for standard wheel studs
• Quantity: Set of 5 studs
• Manufacturer Part Number: 46185

Professional installation is recommended to ensure the knurled shoulder is properly seated into the vehicle hub. These studs are engineered to withstand the high stress of drag racing and track use while maintaining precise tolerances.

Upgrade your wheel hardware for increased safety and compatibility with these high-strength Moroso press-in wheel studs. Designed to meet the demands of drag racing and performance driving, these 3-inch studs provide the necessary length to accommodate thick-centered aftermarket wheels and meet sanctioning body requirements for thread engagement. These studs serve as a robust replacement for standard OE hardware, ensuring a secure hub-to-wheel connection under high-torque loads.

• Manufacturer Part Number: 46180
• Stud Diameter: 1/2in
• Length: 3in
• Installation Type: Press-in
• Quantity: Set of 5 studs

Upgrade your wheel hardware for racing and high-performance applications with Moroso 46160 Press-In Wheel Studs. These extended-length studs are designed to accommodate thicker wheel centers and spacers while providing the superior shear strength required for track use. Manufactured from high-tensile Grade 8 steel, they are engineered to withstand the rigors of frequent wheel changes and high-torque launches.

• Thread Size: 7/16in-20
• Length: 2-7/8in (Measured from under the head to the end of the stud)
• Knurl Diameter: .480in
• Material: High-strength Grade 8 steel for maximum durability
• Finish: Zinc-plated for corrosion resistance
• Quantity: Set of 5 studs
• Installation: Press-in design for secure hub or axle flange fitment
• MPN: 46160

Protect your drivetrain and manage operating temperatures with the Moroso 42050 Deep Transmission Pan. Designed specifically for Ford E4OD and 4R100 automatic transmissions, this pan replaces the shallow factory unit with a deep-sump design that increases total fluid capacity. The additional volume helps stabilize transmission fluid temperatures during heavy-duty towing, hauling, or high-load applications, which is critical for preventing premature clutch and band wear.

• Fits Ford E4OD and 4R100 automatic transmissions
• Deep-sump profile with a 3.642-inch depth for improved cooling
• Increased fluid capacity for better heat dissipation
• Includes a magnetic drain plug to capture metallic particulates and simplify fluid service
• Manufacturer Part Number: 42050

Fits select Ford 5.2L Coyote and Voodoo engines.

The Moroso Oil Pan Stud Kit (MPN 38554) provides a significant upgrade over factory mounting hardware for Ford 5.2L platforms. By replacing OEM bolts with high-strength studs, you ensure more precise gasket alignment and a more uniform clamping force across the entire oil pan flange. This helps to eliminate gasket distortion and prevents leaks in high-performance or high-vibration environments.

• Specifically engineered for Ford 5.2L Coyote and Voodoo engine blocks
• Replaces factory oil pan bolts to provide superior sealing reliability
• Facilitates easier oil pan installation by acting as a guide for the pan and gasket
• Ensures consistent torque loading to prevent flange deformation
• Manufacturer Part Number: 38554

Engineered specifically for Subaru EJ20, EJ22, and EJ25 engine platforms, the Moroso Oil Pan Stud Kit replaces standard factory hardware to simplify pan installation and ensure a more reliable seal. Utilizing studs instead of bolts allows for precise gasket and oil pan alignment, significantly reducing the risk of leaks and protecting the delicate threads in the engine block from wear or stripping.

• Fits Subaru EJ20, EJ22, and EJ25 engines
• Provides superior gasket alignment during oil pan assembly
• Ensures consistent clamping force for a leak-free installation
• Reduces the risk of thread damage in the aluminum engine block
• Manufacturer Part Number: 38368

Ensure a reliable, leak-free seal during your next service with the Moroso 38366 Oil Pan Stud Kit. Designed to replace factory oil pan bolts, these steel studs provide a permanent mounting point that protects the delicate threads of the engine block from wear and stripping during repeated installations. By providing a fixed guide, these studs simplify the alignment of both the gasket and the oil pan for a more efficient assembly process.

Constructed from high-strength steel, this 6mm kit ensures consistent and uniform clamping force across the entire pan rail, which is critical for preventing oil leaks in high-performance applications. Whether you are performing routine maintenance or a full engine build, these studs offer a professional-grade hardware solution for your oiling system.

• Manufacturer Part Number: 38366
• Material: High-strength steel
• Thread Size: 6mm
• Quantity: Set of 22 studs and nuts
• Compatibility: Fits select Honda, Acura, Mazda Rotary, Dodge Neon, and Toyota MR2 applications

This Moroso Carburetor Stud Kit is engineered to provide a secure, professional mounting solution for performance carburetors. Designed for applications that require varying stud lengths to accommodate throttle cable brackets or nitrous plates, this kit ensures proper thread engagement and intake manifold sealing.

• Includes (2) 5/16"-24 x 2.5" studs and (2) 5/16"-24 x 3.5" studs
• Equipped with compact 12-point nuts for improved tool clearance in cramped engine bays
• Includes a specialized mounting bracket for throttle or return spring components
• Precision-threaded for reliable clamping force under high-vibration conditions
• Manufacturer Part Number: 37968

The Moroso 37967 Carburetor Stud Kit provides a precise and secure mounting solution for your fuel system. This hardware set is specifically designed for applications requiring a throttle or return spring bracket, using staggered stud lengths to ensure proper thread engagement and a clean installation.

The included 12-point nuts offer a smaller profile than standard hex nuts, allowing for easier socket or wrench access in the tight clearances around carburetor bowls and intake manifolds. Each component is engineered to maintain clamping force and resist vibration under high-performance conditions.

• Thread Pitch: 5/16"-24
• Stud Lengths: Two (2) 2.0-inch and two (2) 2.5-inch studs
• Hardware Type: Professional-grade 12-point nuts
• Includes specialized mounting bracket
• Manufacturer Part Number: 37967

The Moroso 37966 Carburetor Stud Kit provides a high-strength, professional mounting solution for carburetors and throttle cable brackets. This specialized kit utilizes staggered stud lengths to accommodate varying flange thicknesses and bracket mounting points, ensuring proper thread engagement and a secure seal to the intake manifold.

Each kit includes 5/16"-24 fine-thread studs in two specific lengths to clear accessories or linkage brackets. The included 12-point nuts offer a compact profile compared to standard hex hardware, allowing for easier wrench access in the tight clearances around the carburetor base. Manufactured for durability and precise fitment, this kit simplifies carburetor installation and maintenance.

• Manufacturer Part Number: 37966
• Thread Pitch: 5/16"-24
• Stud Dimensions: (2) 1.625" Long and (2) 2.0" Long studs
• Hardware: (4) 12-point nuts included for easy tool clearance
• Includes throttle linkage bracket for a complete installation

The Moroso 37965 Carburetor Stud Kit provides a professional, secure mounting solution for your fuel system. Using studs instead of bolts helps prevent thread fatigue and stripping in aluminum intake manifolds while ensuring precise carburetor alignment during installation. This kit is equipped with 12-point nuts, which feature a smaller external profile than standard hex hardware to provide better tool clearance in the tight spaces around carburetor bases and vacuum ports.

• Thread Specification: 5/16in-24
• Stud Length: 2.0 inches
• Nut Style: Compact 12-point nuts for improved clearance
• Prevents thread wear in intake manifold mounting holes
• Manufacturer Part Number: 37965