F.A.S.T LSXrt LS3 102mm Intake Manifold Black R060015M These cylinder heads include your

These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports

Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet aluminum pulley kits for maximum horsepower gains

0L Power Stroke

Frame Hooks

Example: Brass Pressure Sensor used for a Boost Gauge - Reference/Information for knowing manifold pressure

F.A.S.T LSXrt LS3 102mm Intake Manifold Black R060015M These cylinder heads include yourBuilding upon the popular LSXrt intake manifold, the new LSXrt gives LS3 L92 engines more plenum volume for all out racing. The raised throttle body location optimizes the larger, less restrictive High HP runner design, creating more power. Includes our 146070 High HP runners Chevrolet: SS 14 17 6. 2 L Engine, Pontiac: G8 09 09 6. 2 L Engine, Hummer: H2 08 09 6. 2 L Engine, GMC: Yukon XL 1500 07 09 6 L Engine, Chevrolet: Avalanche 07 09 6 L Engine,