The Eliminator aluminum cylinder heads, with choice of 210cc, 220cc, 227cc, and 245cc, intake runners, have valves and studs in the stock GM L98 location. Race Ready 210cc and 227cc cylinder heads add 100% CNC-ported intake runners and are perfect for 350-400 cu. in.; the 227cc version is designed for larger cu. in. applications that see a minimum of 4500 RPM. Competition Package heads, offered in 220cc, 227cc, and 245cc versions, with 100% CNC-ported intake runners, are engineered for highly modified 350-434 cu. in. engines that oper-ate 4000-8000 RPM. All heads are sold in pairs, completely assembled (unless specified) with stainless valves, valve springs, retainers, locks, and seals.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- Yes
- Combustion Chamber Volume (cc):
- 80cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- Yes
- Intake Runner Volume (cc):
- 245cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 23 degree
- CNC-Machined Exhaust Runner:
- Yes
- Exhaust Runner Volume (cc):
- 80cc
- Exhaust Port Shape:
- Round
- Exhaust Port Location:
- Raised 0.250 in.
- Exhaust Valve Angle:
- 23 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.125 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.600 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.800 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Dual 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:
- 5-angle intake/3-angle exhaust
- Retainers Included:
- Yes
- Retainer Material:
- Titanium
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- Viton Positive stop
- Locks Included:
- Yes
- Lock Style:
- 10 degree
- Camshaft Style:
- Solid 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 as a pair.
- Notes:
- Designed for large displacement small blocks. Requires shaft mount rocker system with 0.450 in. offset and 0.180 in. offset lifters or 0.550 in offset rocker arms with standard lifters.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 4.9L/302-6.6L/400
- Years:
- 1962-1986
