edelbrock s performer and performer rpm intake manifolds and hydraulic camshaft kits ... manifolds that boost power from off-idle to 5,500 rpm some are even direct stock ... high-rise dual-planes to give you power in the 1,500-6,500 rpm range they are ... ideal for use with modified cylinder heads ... cam kits build horsepower with good idle and vacuum too the kit includes cam ... n/a 3712 n/a 2157 lift duration .050 int exh int exh 448 472 204° 214° 448 472 ... evenfire non-egr 5486 buick 400-455 c.i.d v8 non-egr 2146 cadillac 472 and 500 68 ... -76 2115 chevy 4.3l v6 w/tbi 1987-94 egr 3713 ... chevrolet 262-400 c.i.d v8 non-egr 2101 chevrolet 262-400 ... performer eps non-egr 2701 chevy 262-400 carb-vortec c.i.d 2116 ...