Speedmaster CNC Aluminum Cylinder Head Small Block Chevy 350 w/Solid Roller Cam
746-PCE281.2024
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Small Block Chevy - Assembled
Special Note: Camshaft and Lifters Not Included
Assembly Specifications
Max Lift: .650"
Coil Bind: .925"
Intake Install: 275lbs @ 2.1
Exhaust Install: 275lbs @ 2.1
Closed Seat Pressure: 210lbs
Open Seat Pressure: 450lbs
All Speedmaster 23deg. Small Block Chevy heads are available with Straight or Angled sparkplugs. Standard valve sizes are 2.020" Intake, and 1.60" Exhaust, both +.100" length. While the 2.02" valves are standard issue, all of our 23deg. aluminum heads can accept a 2.05" intake valve with minimal additional work. Some of our CNC ported heads (PCE281.1354-1448) are designed around 2.05" Intake valves. Our cast iron heads use 1.94" intake valves, and 1.50" exhaust valves. For those racers looking for a head with 800+hp potential, step up to our new 15deg heads! These heads have room for huge 2.180"-2.200" intake valves. We even have the matching rockers!
Speedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC
Specifications:
Motor Vehicles
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Tools:
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.