Chevrolet Performance Parts - 604 Beehive Valve Springs 16 Pulse Width Module Controller -

Pulse Width Module Controller - ReturnX - 10V-22V Range - Supercharged - MAP Sensor / Wiring Harness Included - Single Pump - Kit

Fitting - Bulkhead - Straight - 12 AN Male to 12 AN Male Bulkhead - Aluminum - Blue Anodized - Each

200 in Head - 8 mm Valve Stem - Stock Length - Stainless - LS7 - GM LS-Series - Each

Spark Plug Wire Set - Super Stock - Spiral Core - 8 mm - Yellow - Factory Style Boots / Terminals - Small Block Chevy - Chevy Corvette 1975-82 - Kit

600 in Valves - 210 cc Intake - 75 cc Chamber - 1

Chevrolet Performance Parts - 604 Beehive Valve Springs 16 Pulse Width Module Controller -Valve Spring Ovate Beehive Spring 332 lb in Spring Rate 1. 220 in Coil Bind 1. 320 in OD Set of 16