LS3 427ci

• Bore 4.070" x stroke 4.125",
• CP lumpy top pistons 13.5:1 comp,
• Comp Star "H" beam con rods,
• Callies 4340 Steel crank,
• Torque plate honed

CNC Ported LS3 Heads with lightweight valves, Pac racing double valve springs with Moly retainers, Roller rockers, chrome moly pushrods, custom Hyd roller camshaft 266@.050", tie bar lifters, hi-volume oil pump, MSD distributor, MSD coil and MSD box with Rev limiter, twin 930 Holly E85 Carbies, sheet metal tunnel ram, Canton race 7 litre sump, no computor required for this engine.

Power rating: 740hp@7400rpm.

Please be aware we do keep most of these engines in stock, however there can be upto a 10 day wait. Please email