Tag Archives: gm 603 crate engine

Memphis, TN – COMP Cams® Hustler™ Lifters for GM 603 & 604 Crate Engines look stock but offer superior performance in race applications with tight rules packages. The new lifters feature reduced internal piston travel for increased stiffness and greater valve lift when compared to stock lifters in sealed GM 603 and 604 crate and 1987-1998 GM small block engines. ... Read More »

Memphis, TN – COMP Cams® has created a Hustler™ camshaft series featuring two new billet camshafts, as well as two regrind options, for GM 603 and 604 Crate Engines owners wanting to press the rules a bit. The Stage 1 billet cam is ground to the same factory lobe lift, but with three degrees more duration and a lobe that ... Read More »