Installing a set of billet center main caps on 3.8L and 4.1L boosted Buick V6 engines is an absolute must for engines not running a girdle.  The OEM center main caps are prone to cracks.  When cap failure occurs, the damage can be severe and costly to repair.  Our PGE B4-1V6C billet center caps are a cost effective upgrade over the original main caps and are highly recommended on turbo Buick V6 engines.

Part Number: PGE B4-1V6C