Based on the Victor 24ø cylinder head, but with smaller, 300cc intake runners. Rectangular-port aluminum cylinder head is ideal for drag rac-ing big block Chevy engines with 4.310" or larger bores and up to 510 cu. in. Head has .100" raised intake ports, raised exhaust ports, blended bowls, competition valve job, stainless 2.250" intake and 1.900" exhaust valves. Sold individually, completely assembled.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 106cc
- Combustion Chamber Style:
- Semi-open
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 300cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 24 degree
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 128cc
- Exhaust Port Shape:
- Square
- Exhaust Port Location:
- Raised 0.534 in.
- Exhaust Valve Angle:
- 24 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.250 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.900 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.775 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Dual
- Outside Diameter of Outer Spring (in.):
- 1.540 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 roller
- Spark Plug Style:
- Angled
- Guideplates Included:
- Yes
- Guideplate Pushrod Size:
- 3/8 in.
- Rocker Arm Studs Included:
- Yes
- Rocker Arm Nut Thread Size:
- 7/16-20 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:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1966-1990
- Engine Family:
- Chevy big block Gen V
- Years:
- 1991-1995
- Engine Family:
- Chevy big block Gen VI
- Years:
- 1996-2000
- Engine Sizes:
- 7.4L/454
