Procomp electronics
Procomp motorsports sold poor quality rocker arms that failed in 500 miles, would not stand behind product
Purchased aluminum roller rocker arms from procomp motosports they sat on the shelf for a while then i assembled the engine and used these rockers they lasted less than 600 miles and began to crack around the roller 10 out of 16 cracked, thank god i caught this before it destroyed the engine. Im ...