BBC 312cc BB2 Plus Head 2.25/1.88 Assm. ZX-14 Air Shifter Coil Spring - Conventional -

Coil Spring - Conventional - 5 in OD - 13 in Length - 125 lb/in Spring Rate - Rear - Steel - Black Powder Coat - Each /

This means you’re getting retainers that are not just incredibly light but also incredibly strong

Valve Stem Core Tool - Knurled - Stainless - Natural - Each

125 in OD - 46 in Long - 5/8-18 in Female Thread - Chromoly - Black - Sprint Car - Each

Nitrous Oxide Bottle Heater - Automatic - Pressure Controlled - 12V - 6 AN - Gauge / Sensor - Black - 10 / 15 lb Bottles - Kit

BBC 312cc BB2 Plus Head 2.25/1.88 Assm. ZX-14 Air Shifter Coil Spring - Conventional -Cylinder Head BB 2 Plus Assembled 2. 250 1. 880 in Valves 312 cc Intake 119 cc Chamber 1. 550 in Springs Angle Plug Aluminum Big Block Chevy Each