MACE STAGE 3 ROLLER CAMS & CHIP PACKAGE TO SUIT HOLDEN CALAIS VT.I 304 5.0L V8We have formed a series of high performance camshaft and memcal packages for your VS. III and VT. I Holden 5L V8. Designed to deliver real world horsepower gains of up to 35%, our cams are intended to wake your 304 right up and put the enjoyment back into driving. Stage 3 Kit: Improved top end power This camshaft kit must be used in conjunction with a full free flowing exhaust system and minor head work for maximum performance. It provides a power