Piston Std. Length 1981-chevrolet-k20-suburban-esi6325351 438 in Diameter - Hardware

438 in Diameter - Hardware Included - Aluminum - Polished - Long Water Pump - Small Block Chevy - Each

Valve Cover - Tall - Hardware Included - Cast Aluminum - Polished - Small Block Chevy - Pair

Valve Spring - Hot Rod Series - Dual Spring - 391 lb/in Spring Rate - 1

Fitting - Adapter Tee - 1/4 in NPT Female x 1/4 in NPT Female x 1/4 in NPT Female - Aluminum - Blue Anodized - Each

Rocker Arm Stud Girdle - 7/16-20 in Thread Studs - Aluminum - Red Anodized - Big Block Ford - Kit

Piston Std. Length 1981-chevrolet-k20-suburban-esi6325351 438 in Diameter - HardwareThrowout Bearing Piston 1. 872 in ID 1. 515 in Long 1. 515 in Thick Tilton 60 X2Xx 60 X3XX Series Throwout Bearings Each