LS3 CYLINDER HEAD ASSEMBLY - 12629063
Part # 12629063
- 319-T5 aluminum alloy
- 2.165" solid stem intake, and 1.590" solid stem exhaust valves
- .550" max valve lift
- For any LS family engine with 4.000" bore or larger
| Item# | Description | Qty. | Your Price | |
|---|---|---|---|---|
| 12629063 |
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LS3 Cylinder Head Assembly
P/N 12675871
- 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
- 12610046 (2) or 19170419 (1) Gaskets
- 11562524 (20) Bolts
- 12558840 (10) Bolts
- 12571164 Spark Plugs
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