Cast iron, rectangular port cylinder head is assembled with 2.180" intake and 1.880" exhaust valves, valve springs, retainers, locks, and seals. Designed for use on 1990-up 454 and 502 engines, cylinder head has 118cc combustion chambers. Sold each. Note: Will not work on Mark IV cylinder blocks or L29 engines.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast iron
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 118cc
- Combustion Chamber Style:
- Open chamber
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 325cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- N/A
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 110cc
- Exhaust Port Shape:
- Square
- Exhaust Port Location:
- Standard
- Exhaust Valve Angle:
- N/A
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.180 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.880 in.
- Valve Type:
- N/A
- Maximum Valve Lift (in.):
- 0.600 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Single
- Outside Diameter of Outer Spring (in.):
- 1.487 in.
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Steel
- Valve Seat Machine Style:
- N/A
- Retainers Included:
- Yes
- Retainer Material:
- Steel
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- Positive stop
- Locks Included:
- Yes
- Lock Style:
- 10 degree steel
- Camshaft Style:
- Hydraulic roller
- Spark Plug Style:
- Angled
- Guideplates Included:
- No
- Guideplate Pushrod Size:
- N/A
- Rocker Arm Studs Included:
- No
- Rocker Arm Nut Thread Size:
- N/A
- 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.
- Notes:
- Will not fit GM Mark IV cylinder blocks. Will not work on L29 engine.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Gen V
- Engine Family:
- Chevy big block Gen VI
- Engine Sizes:
- 7.4L/454
