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SPEEDMASTERPART NUMBER: 746-PCE281.2165P
Speedmaster Big Block Pontiac 389/455 Cast Aluminum Cylinder Heads & Free Shootout Intake Manifold Promo
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Big Block Pontiac 389
Cast Aluminum Cylinder Heads
Includes Free Shootout Intake ManifoldBig Block Pontiac 389/455 w/Hydraulic Roller Cam Assembled Head 72cc Combustion Chamber 215cc Intake Runner Straight Plug Includes Valves & Springs
Includes Free Shootout Intake Manifold
Included Components:
- Speedmaster Cast Aluminum Cylinder Head -- PCE281.2165
- Speedmaster Shootout Intake Manifold -- PCE147.1060
Cylinder Head Specifications:
- Intake Runner: 215cc
- Combustion Chamber Volume: 72cc
- Intake Valve: 2.110"
- Exhaust Valve: 1.660"
- Max Lift: .580"
- Coil Bind: .740"
- Intake Install: 135 lbs @ 1.8
- Exhaust Install: 135 lbs @ 1.8
- Closed Sear Pressure: 125 lbs
- Open Seat Pressure: 320 lbs
Intake Manifold Specifications:
- Big Block Pontiac 389/455
- Single plane
- Non-EGR
- RPM Range: 3,000-7,500
- Satin Finish
BrandSPEEDMASTER
Part CategoryPerformance Parts
Vendor Part NumberPCE281.2165-PROMO
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
