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TA Performance Stage II Aluminum Heads for Buick 400/430/455 V8.
Part Number: CH23
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TA Performance Stage II Aluminum Heads for Buick 400/430/455 V8.
TA Performance Buick Stage II aluminum heads. Save almost 60 lbs. off the front of your car while gaining up to 60 hp on a stock 455 V8. Dramatically outflow stock heads and have redesigned water passages for better cooling. Features D-shaped exhaust ports and four extra head bolt bosses on exhaust side for better head gasket sealing. Heads are unassembled and feature hardened valve seats and valve guides. Accepts all stock Stage I valvetrain components. Stock brackets and intakes will bolt on as stock. Stage II headers # EH38 or EH42 must be used along with our head bolt kit # HB455 or head stud kit # HS455.
NOTE: Not recommended for stock bore 400 V8 due to valve shrouding.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

