suggestions of how you might enjoy your GM Performance Parts crate engine. Some ... 425-horsepower rating achieved during GM testing with high-rise single-plane ... carburetor with vacuum secondaries. GMPP dual-plane intake manifold P/N 12366573 ... problems, but peak power may decrease by approximately 15-20 horsepower. Comes ... See chart on page 171. Intended for pre-1977 street vehicles and all off-road ...
very popular ZZ502/502 Base engine kit, GM Performance Parts offers you the Deluxe ... you the opportunity to get all the parts you need in one box to build your own ... high performance big-block Chevy. By offering you a tested combination of ... parts, GM Performance Parts has taken all of the frustration out of ... your own engine together no mismatched parts that dont work together. When assembled ... torque. For the ZZ502/502 Deluxe kit, GMPP took the ZZ502/502 Base engine kit and ... water pump. Together, they add up to a GMPP-tested and validated 502 horsepower and a ... you fire it up for the first time. 108 GM Performance Parts crate engines include ... warranty. W CRATE ENGINES BIG-BLOCK GM Performance Parts does not utilize any used or ...