SRP Professional Forged Domed Piston & Ring Kit - SB Chevy - 4.030" Bore, 3.750" Stroke, 6.000" Rod Length Intercom Expansion Kits adjustable from 5-12 PSI

adjustable from 5-12 PSI

6-Switch Fused Panel w/all necessary wiring/hardware

Air Boss / Dual

1986-1989 Chevrolet P20

SRP Professional Forged Domed Piston & Ring Kit - SB Chevy - 4.030" Bore, 3.750" Stroke, 6.000" Rod Length Intercom Expansion Kits adjustable from 5-12 PSIRevolutionary piston kits have modern racing pistons with low friction metric ring sets. Kits include lightweight forged ide relief (FSR) pistons, wrist pins with carbon steel wire locks, and JE Pro Seal premium piston ring set, complete with 1. 2mm premium steel top rings, 1. 5mm Napier second rings and 3. 0mm standard tension oil rings. SRP pistons are designed and manufactured using the same knowledge, expertise, and quality control that