Wiseco Pro Tru Street Chevy Big Block 4.280in Bore 1.270in CH 21.00 CC Piston Set

Born from the rich racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line proudly bridges the gap between high-quality forged piston performance and affordability. Forged from strong, 4032 aluminum alloy material, SRP pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance characteristics. These pistons are the perfect option for someone building a mild to moderate performance engine on a sportsman budget. As with all JE Pistons products, SRP pistons are made 100% in the USA.
SRP, Ford, Small Block Ford, 4.030 in. Bore, 1.300 CD, Flat Top, 8 Cyl. Piston Kit
These pistons utilize our dedicated Forged Side Relief (FSR) forging that was specifically designed to increase strength.

• Forged in the USA using 4032 aluminum, yielding tensile strength and minimal thermal expansion
• Dedicated forging helps optimize strength and weight throughout the piston design
• Forced pin oiling for improved pin lubrication
• Perfect for street/strip applications
• Made 100% in the USA

Our Pro Tru? Street series pistons are forged from 4032 alloy aluminum in Mentor, Ohio and includes rings, pins, and clips for an all-inclusive rebuild. For any build budget, Wiseco has the piston to get you on the road or down the track.
Wiseco Chevrolet Big Block Piston Set, 4.280 in. Bore, 1.645 in. Compression Height, 0.990 in. Pin Diameter, Pro Tru Street, Set of 8.

• ArmorGlide Skirt Coating: Seizure resistant, Friction Reduction, and Quieter Operation
• AS-Forged Dome with Crown Features & Oil Drain Backs
• Chromium Alloy Steel Piston Pin & Spirolox Included
• 4032 Forged Aluminum