-block legend in its own time! When GM dared to release a redesigned small- ... popular version is the high-performance LS1 available here as a complete crate ... engine from GM Performance Parts. In many ways, the ... LS1 is superior to any small-block that ... engineered features, helps make the LS1 a strong, smooth running and dependable ... -bywire throttle body, intake manifold, exhaust manifolds, fuel rail with injectors, ... -tech with your next project! 17801267 LS1 5.7L LS1 5.7L TECH SPECS: Part Number ... .62 (99 x 92 mm) Block (P/N 12561166): Cast aluminum with 6-bolt, cross-bolted ... Crankshaft (P/N 89017522): Nodular iron Connecting rods (P/N 12568734): ... Camshaft lift (in): .500 intake .500 exhaust Camshaft duration (@.050 in) 200 ... intake 203 exhaust Cylinder heads (P/N 12559855): Aluminum ...
Z06 into a world-beating sports car. GM Performance Parts now offers this ... the inherent strengths of the Corvettes LS1 engine, but benefits from a higher-lift ... intake and higher-rate valve springs. GM Performance Parts delivers the LS6 as ... body, and high-performance log-style exhaust manifolds. The LS6 is also a great ... ZO6 engine! 17801268 LS6 5.7L 68 GM Performance Parts does not utilize any ... parts in this crate engine. GM Performance Parts crate engines include ... .62 (99 x 92 mm) Block (P/N 12561166): Cast aluminum with 6-bolt, crossbolted main ... Crankshaft (P/N 12583565): Nodular iron Connecting rods (P/N 12577583): Powered ... Camshaft lift (in): .525 intake .525 exhaust Camshaft duration (@.050 in): 204 ... intake 211 exhaust Cylinder heads (P/N 12564825): Aluminum ... port Valve size (in): 2.00 intake 1.55 exhaust Compression ratio: 10.5:1 Rocker arms ...