GMC 270 Big Valve Conversion.mp4
This GMC head gets a new set of oversize valves custom made by Costa Mesa R&D Automotive Machine, watch John Edwards as he goes through the steps to make it happen. (949) 631-6376
Video Rating: 5 / 5
This GMC head gets a new set of oversize valves custom made by Costa Mesa R&D Automotive Machine, watch John Edwards as he goes through the steps to make it happen. (949) 631-6376
Video Rating: 5 / 5