Lightweight aluminum cylinder head is engi-neered for 400, 430, and 455 Buick engines. Head accepts small block Chevy adjustable rocker arms and has stock port locations. Sold individually as fully assembled casting. Assembled head includes stainless 2.125" intake and 1.75" exhaust valves, 3/8" rocker stud, and 1.55" dia. valve springs.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 68cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 215cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 15 degree
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 130cc
- Exhaust Port Shape:
- Rectangular
- Exhaust Port Location:
- Standard
- Exhaust Valve Angle:
- 15 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.125 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.750 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.600 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Single w/Damper
- Outside Diameter of Outer Spring (in.):
- 1.550 in.
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Manganese bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Ductile iron
- Valve Seat Machine Style:
- 3-angle
- Retainers Included:
- Yes
- Retainer Material:
- Steel
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- PTFE Positive stop
- Locks Included:
- Yes
- Lock Style:
- 7 degree steel
- Camshaft Style:
- Hydraulic flat tappet
- Spark Plug Style:
- Angled
- Guideplates Included:
- Yes
- Guideplate Pushrod Size:
- 3/8 in.
- Rocker Arm Studs Included:
- Yes
- Rocker Arm Nut Thread Size:
- 3/8-24 in.
- Accessory Bolt Holes Drilled:
- Yes
- Valve Cover Mounting Style:
- Perimeter bolt
- Heat Crossover:
- No
- Steam Holes Drilled:
- No
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold individually.
- Make:
- Buick
- Engine Family:
- Buick V8
- Engine Sizes:
- 6.6L/400-7.5L/455
- Years:
- 1967-1976
