BBC 325cc Pro-1 Head 121cc R/P 2.25/1.88 Assm speed parts 580 in OD Valve Seat

580 in OD Valve Seat - Steel / Carbide - Universal - Each

Spring Cup - Lower - Weld-On - Steel - Black Paint - 5 in Springs - 3 in OD Axle Tubes - Each

500 in - Duration 268 / 274 - 114 LSA - 1600 / 5600 RPM - Ford Modular - Pair

Throttle Return Spring Kit - Carb Mount - Dual Springs - Aluminum - Clear Anodized - Dominator Flange - Kit

Oil Pressure Gauge - Old Tyme Black - 0-100 psi - Electric - Analog - Short Sweep - 2-1/16 in Diameter - Black Face - Each

BBC 325cc Pro-1 Head 121cc R/P 2.25/1.88 Assm speed parts 580 in OD Valve SeatCylinder Head Pro 1 Assembled 2. 250 1. 880 in Valves 325 cc Intake 121 cc Chamber 1. 625 in Springs Aluminum Big Block Chevy Each