This Wiseco 9310 series piston pin (S734) is engineered to withstand the extreme reciprocating forces inherent in high-performance engine builds. As the critical link between the connecting rod and the piston, the wrist pin must endure massive combustion loads while maintaining structural integrity. Wiseco utilizes 9310 steel alloy for this application, a material known for its exceptional core toughness and resistance to fatigue, making it a superior upgrade over standard 4130 alloy pins in high-horsepower or boosted environments.

• Manufacturer: Wiseco
• Part Number: S734
• Material: High-strength 9310 Steel
• Outside Diameter: 22mm
• Length: 50.8mm
• Wall Thickness: 10.57mm
• Precision ground for exact tolerances

This Wiseco SW 9310 series wrist pin is engineered to manage the extreme reciprocating forces within the engine bore, capable of handling high-load performance applications. Precision-manufactured from high-strength 9310 alloy steel, these pins provide the structural integrity and surface hardness required to prevent galling and deformation under stress.

Every Wiseco wrist pin is ground to exacting tolerances to ensure a proper fit between the piston and the connecting rod small end, maintaining oil film consistency and reducing friction. This specific pin is designed for builders requiring a 21mm diameter pin with a heavy-wall cross-section for maximum rigidity.

• Series: SW 9310
• Material: 9310 Alloy Steel
• Outside Diameter: 21mm
• Length: 50.8mm
• Wall Thickness: 9.57mm
• Manufacturer Part Number: S733

The Wiseco S718 SW Series Piston Pin is engineered to handle the extreme reciprocating loads found in high-performance internal combustion engines. As the critical connection point between the piston and the connecting rod, this wrist pin is designed to maintain dimensional stability and structural integrity under high-RPM and high-cylinder-pressure conditions.

This straight-wall (SW) design ensures consistent strength across the length of the pin, providing a reliable foundation for your rotating assembly. Precision-machined for exact fitment, it reduces friction and wear within the piston boss and rod bushing. For professional engine builders and enthusiasts alike, selecting the correct pin dimensions and wall thickness is vital for engine longevity.

• Manufacturer Part Number: S718
• Outside Diameter: .927 inch
• Length: 2.250 inch
• Wall Thickness: .527 inch
• Design: Straight Wall (SW)

Wiseco SW Turbo Series wrist pins are engineered to handle the extreme cylinder pressures common in forced induction and high-output racing engines. As the critical link between the piston and connecting rod, these pins are designed to reliably transfer over 11,000 pounds of force. This precision-ground S710 pin ensures a perfect fit and consistent oil film retention under heavy thermal and mechanical loads.

• Manufacturer Part Number: S710
• Series: SW Turbo
• Outside Diameter: 22mm
• Length: 2.500"
• Precision-ground for exacting tolerances and reduced friction
• Engineered for high-boost turbo and nitrous applications

Fits select 1992-2011 Ford Crown Victoria, E-Series, Expedition, Explorer, F-150, F-250/F-350 Super Duty, and Mustang (4.6L / 5.4L).

Engineered for high-horsepower applications, this set of Manley wrist pins is manufactured from 9310 alloy, a material renowned in the racing industry for its exceptional toughness and resistance to fatigue. These straight-wall pins are designed to withstand the increased cylinder pressures and reciprocating loads found in forced induction or high-performance naturally aspirated Modular V8 builds.

Each pin features a precision-ground finish and a robust .180-inch wall thickness to minimize pin flex, ensuring better ring seal and overall piston stability. These are an essential upgrade when building a Ford 4.6L or 5.4L bottom end for street-strip or dedicated track use.

• Manufacturer Part Number: 42507-8
• Material: 9310 Alloy Steel
• Design: Straight Wall
• Diameter: 22mm
• Length: 2.500 in.
• Wall Thickness: .180 in.
• Quantity: Set of 8

Designed for extreme cylinder pressures and high-load environments, this JE Pistons Trend Performance wrist pin is an essential upgrade for engines running forced induction, nitrous, or high RPM levels. Manufactured in the USA from premium H-13 tool steel, these pins provide the structural integrity required to prevent pin flexing and failure under intense stress.

• High-Strength Material: Forged from H-13 tool steel to withstand significant mechanical loads.
• Precision Finish: Features a proprietary super-finishing and lapping process for industry-leading surface geometry and reduced friction.
• Extended Lifecycle: Engineered to provide improved durability in high-load racing and performance environments.
• Specifications: .866" Diameter | 2.250" Length | .230" Wall Thickness.
• Manufacturer Part Number: 866-2250-23-93C

This upgraded pin replaces standard wrist pins to offer superior protection against deformation in high-performance builds including forced induction and nitrous applications.

Upgrade your rotating assembly with JE Pistons Trend Performance wrist pins, engineered specifically for the extreme cylinder pressures found in high-RPM, forced induction, and nitrous-assisted engines. Manufactured in the USA from premium H-13 tool steel, these straight-wall pins provide the structural integrity required to prevent pin deflection under heavy loads.

Each pin features chamfered ends and undergoes a proprietary super-finishing and lapping process. This results in industry-leading geometry and surface finish, significantly extending the lifecycle of both the pin and the piston pin bore in high-stress racing environments.

• Material: Premium H-13 Tool Steel
• Design: Straight wall with chamfered ends
• Process: Proprietary super-finished and lapped surface
• Ideal For: High-RPM, forced induction, and nitrous engines
• Origin: Made in the USA
• Manufacturer Part Number: 787-2250-21-93C

Upgrade your rotating assembly with this JE Pistons Premium Wrist Pin, manufactured by Trend Performance. These wrist pins are crafted from premium H-13 steel, specifically engineered to withstand the extreme cylinder pressures and heat found in high-RPM, forced induction, and nitrous-fed engines.

Each pin is made in the USA and undergoes a proprietary super-finishing and lapping process. This method ensures industry-leading pin geometry and a superior surface finish, significantly improving the component's lifecycle and reducing friction in high-load environments where standard pins might fail or deflect.

• Material: Premium H-13 Tool Steel
• Diameter: .787"
• Length: 2.250"
• Wall Thickness: .180" (180W)
• Finish: Proprietary super-finished and lapped surface
• Origin: Made in the USA
• Manufacturer Part Number: 787-2250-18-TTC

Strengthen your rotating assembly with the CP-Carrillo 2.250" Wrist Pin Upgrade. Engineered for high-performance and racing applications, this wrist pin is designed to handle the extreme cylinder pressures and inertia loads encountered in high-horsepower engines. It provides a more robust connection between the piston and connecting rod compared to standard pins, reducing the risk of deflection or failure under heavy load.

• Manufacturer Part Number: 905-2250-26CP3C
• Length: 2.250 inches
• Precision-ground finish for reduced friction and improved oil film retention
• Built for high-RPM and forced induction environments
• Direct replacement upgrade for compatible CP-Carrillo piston sets

Engineered for high-stress racing and performance applications, this CP wrist pin is manufactured from premium 9310 alloy steel for superior strength and fatigue resistance compared to standard materials. The chamfered ends provide a smooth lead-in during assembly, simplifying installation and ensuring proper seating with wire locks or clips.

• Material: High-strength 9310 alloy steel
• Finish: Chamfered ends for easier installation
• Application: Designed for high-load environments (Turbo, Nitrous, High RPM)
• Quantity: Sold individually (one pin per piston)
• Manufacturer Part Number: 866-2250-25CP3C

This high-strength wrist pin from CP-Carrillo is engineered for high-performance engine builds where durability and reliability are paramount. Manufactured from premium 9310 steel alloy, it provides the structural integrity required to withstand the intense cylinder pressures of high-RPM and forced induction applications.

The precision chamfered design ensures smoother installation and improved clearance within the piston boss and connecting rod small end. This component is designed as a robust upgrade for rotating assemblies, offering superior resistance to deflection and galling compared to standard wrist pins.

• Material: Premium 9310 steel alloy for maximum toughness
• Design: Chamfered ends for eased assembly and reduced stress risers
• Application: Suitable for high-performance and racing engine builds
• Quantity: Sold individually (per piston)
• Manufacturer Part Number: 866-2250-20CP3C

Engineered for high-horsepower builds and racing applications, this CP 9310 steel wrist pin provides the durability required to withstand extreme reciprocating loads. Unlike standard pins, 9310 alloy steel offers superior case hardness and core toughness to prevent bending or ovalization under high boost or high-RPM conditions.

The chamfered ends on this pin facilitate smoother installation, reducing the risk of marring the piston pin bore or small-end rod bushing during assembly. Precision-ground to exacting tolerances, this component is essential for maintaining critical engine geometry and reliability under extreme thermal and mechanical stress.

• Material: High-strength 9310 alloy steel
• Feature: Chamfered ends for easy installation and reduced stress risers
• Application: High-performance and racing pistons
• Manufacturer Part Number: 827-2250-20CP3C
• Quantity: Sold individually (one pin per piston)