GM Complete Aluminium 260cc Cylinder Head, 68cc Rectangle Port (each) (GM12675871)
Suit GM LS3LS3 CYL HEAD COMPLETE (EACH)
Suit GM LS3
Part Number: GM12675871
Chevrolet Performance’s tiered strategy for LS cylinder head performance offers builders choices to fit a variety of performance goals and
budgets. The first tier is our production-based heads, such as the LS3 head (P/N 12675871), which offer good out-of-box performance and
are an excellent upgrade for earlier LS engines (as long as they have at least a 4.000" bore).
Aluminum performance head; Fits any LS family engine with 4.000" bore or larger; 2.165" hollow stem intake and 1.590" solid stem exhaust valves; .550" max valve lift; As-cast L92 style intake ports; D-shaped exhaust ports; As-cast combustion chambers
Specifications
- Head Type: Stock LS3
- Port Size: 260cc
- Valve Angle: 15°
- Chamber Volume: 68.4cc
- Intake Valve: 2.165"
- Exhaust Valve: 1.590"
- Intake Port Type: L92
- Exhaust Port Type: Standard LS
- Rockers: Bolt-down
NOTE: All clearance item sales are final & are not returnable for credit or refund, descriptions are correct as per manufacture