JE 138729S Piston Single SRP (4.020 in. Bore, 1.774 in. CH, -5.00 CC) for FORD Small Block Engine ymm_23 Spring Rate (kgf/mm): Front 8

Spring Rate (kgf/mm): Front 8 or (9/10/11/12)

Long lasting - PVC outer and stainless steel end fittings will outlast the standard Mild Steel and rubber lines many times

with ultra-smooth mandrel bends and CNC manufacturing for precise fitment

providing a refined two-material finish while maintaining the factory appearance and functionality of the seat back

It delivers enhanced sound and performance without the unwanted drone often present in four-cylinder applications

JE 138729S Piston Single SRP (4.020 in. Bore, 1.774 in. CH, -5.00 CC) for FORD Small Block Engine ymm_23 Spring Rate (kgf/mm): Front 8Description JE 138729S Piston Single SRP (4. 020 in. Bore, 1. 774 in. CH, 5. 00 CC) for FORD Small Block Engine Born from the racing experience of JE Pistons, the Sportsman Racing Products (SRP) piston line bridges the gap between high quality forged piston performance and affordability. Forged from strong 4032 aluminum alloy, SRP pistons are designed and manufactured to reduce machining costs without sacrificing strength or performance. They are