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Porting and Disguise for GM 604 Crate heads

$1,800.00
SKU:
PA604
Quantity:

Product Description

Porting, disguising, valve job and flow work for GM 604 crate engine heads.

 

$1800 does not include the heads/castings, only the labor.

 

25 hp gain on stock 604 crate motor.


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