Sierra
GM 4.3L Vortec Head 1996 & Up | Sierra 18-4491
GM 4.3L Vortec Head 1996 & Up | Sierra 18-4491
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GM 4.3L Vortec Head 1996 & Up | Sierra 18-4491
CYLINDER HEAD ASSEMBLY,NEW
- Cylinder Head Assembly,New
- Replaces GM 4.3 Vortec V6 (1996 - Up)
- With 8 intake bolts
- With non adjustable valvetrain
- Has new stainless steel valves, hardened steel exhaust seats, valve springs, valve locks and retainers and screw in rocker studs
- Rocker arms are not included
- Not for engines using factory roller rocker arms
- Replaces Mercruiser 938-827178 1
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