An affordable, as-cast aluminum cylinder head that is ideal for budget-minded, dual-purpose street/strip applications. Sold completely assembled, Enforcer heads are fitted with high-quality components including ARP rocker studs, PAC Racing springs, Viton valve seals, ductile iron seats and stainless steel valves. Sold individually.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- Yes
- Combustion Chamber Volume (cc):
- 65cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- Yes
- Intake Runner Volume (cc):
- 195cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 23 degree
- CNC-Machined Exhaust Runner:
- Yes
- Exhaust Runner Volume (cc):
- 64cc
- Exhaust Port Shape:
- Square
- Exhaust Port Location:
- Raised 0.100 in.
- Exhaust Valve Angle:
- 23 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.050 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.600 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.600 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Dual W/Damper
- Outside Diameter of Outer Spring (in.):
- 1.290 in.
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Ductile iron
- Valve Seat Machine Style:
- 3-angle
- Retainers Included:
- Yes
- Retainer Material:
- Chromoly
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- Viton Positive stop
- Locks Included:
- Yes
- Lock Style:
- 7 degree
- Camshaft Style:
- Hydraulic roller
- Spark Plug Style:
- Straight
- Guideplates Included:
- Yes
- Guideplate Pushrod Size:
- 5/16 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:
- Yes
- Steam Holes Drilled:
- No
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold as a pair.
- Notes:
- Exhaust port is raised 0.100 in. over stock.
- CARB EO Number(s):
- D-250-2
- Emissions:
- California EO Approved
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.9L/302-6.6L/400
- Years:
- 1962-2002
