Valve Spring - Single Spring - 256 lb/in Spring Rate - 1.200 in Coil Bind - 1.250 in OD - Small Block Chevy - Each Mini-Stock Battery - SC-1 - Lithium-ion

Battery - SC-1 - Lithium-ion - 12V - 150 Cranking amps - Top Post Terminals - 4

450 in Rectangular Port - Multi-Layer Steel - Small Block Chevy - Pair

Precision Fit: Machined for an exact fit on -16AN fittings

Intake Manifold Bolt Kit - Hex Head - Stainless - Polished - OEM - Small Block Chevy - Kit

5 in ID - 8 in Length - 700 lb/in Spring Rate - Steel - Red Powder Coat - Each

Valve Spring - Single Spring - 256 lb/in Spring Rate - 1.200 in Coil Bind - 1.250 in OD - Small Block Chevy - Each Mini-Stock Battery - SC-1 - Lithium-ionValve Spring Single Spring 256 lb in Spring Rate 1. 200 in Coil Bind 1. 250 in OD Small Block Chevy Each