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19211708 LSA 6.2L Supercharged V-8 Crate Engine

The new cts-V’s engine offers 556 supercharged horsepower!

It’s the power behind the new Cadillac CTS-V. With 550 horsepower generated by a more efficient, sixth-generation supercharger, it’s the most powerful engine ever offered in a Cadillac. Use it in resto-mod classic Caddy of a one-of-akind project.

The 2009 Cadillac CTS-V ups its performance game with an all-new, 6.2L supercharged LSA engine that delivers 556 horsepower—making it second only to the Corvette ZR1’s LS9 supercharged engine as the most powerful production LS crate engine offered by GM Performance Parts. It is based on the same foundation as the LS9, but with a slightly smaller supercharger and a few other unique components designed to deliver Cadillac’s signature quietness and refinement.

But just because the LSA doesn’t have the same peak power numbers of the LS9 engine doesn’t mean it comes up short in any important measurement. The unique aluminum-cylinder block casting houses a forged steel crankshaft and super-tough reciprocating parts, integrated pistoncooling oil jets, high-flow cylinder heads and relatively mild camshaft with 0.492-inch lift on both the intake and exhaust sides.

The forced induction of the 1.9L, sixth-generation supercharger makes up for the comparative lack of valve lift by packing the combustion chambers full of air and fuel. This gives the LSA 556 horsepower and 551 lb-ft of torque, along with excellent idle quality and “right-now” throttle response. And unlike the LS9, the LSA comes with a conventional wet-sump lubrication system.

See page 300 for information on our reference guide P/N 88959384 for installing an LS engine in an older car.

14-inch automatic transmission flexplate included
Assembly does not include any electronics or accessory drive components
Includes Corvette wet sump oil pan
Intended for pre-1976 street vehicles or any off-road vehicle
Not intended for marine applications
Non-Corvette applications require flexplate P/N 12602448

Horsepower: 556 @ 6100 rpm Torque (lb-ft): 551 @ 3800 rpm


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