Featuring a true hybrid design to provide improved air flow, all-new cylinder head is a base LS3 head with LS7 style rectangular intake ports and an LS7 intake bolt pattern. Offered as bare or fully assembled, heads have .500" thick decks, and require 4.000" or larger cylinder bores. Assembled versions include 2.165" intake and 1.590" exhaust valves, springs, retainers, valve locks, and seals. Sold each.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 69cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 246cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- N/A
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 89cc
- Exhaust Port Shape:
- D-port
- Exhaust Port Location:
- Standard
- Exhaust Valve Angle:
- N/A
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.165 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.570 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.570 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Single
- Outside Diameter of Outer Spring (in.):
- N/A
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Cast
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Ductile iron
- Valve Seat Machine Style:
- N/A
- Retainers Included:
- Yes
- Retainer Material:
- Steel
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- N/A
- Locks Included:
- Yes
- Lock Style:
- 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:
- Centerbolt
- Heat Crossover:
- No
- Steam Holes Drilled:
- Yes
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 6.0L/364-6.2L/376
