LS376/525 Long Block Chevrolet Performance LS-Series Crate Engine 19435104

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525hp @ 6,200 rpm

486 lb.-ft. @ 5,200 rpm

NOTE: Refer to catalog for the complete horsepower and torque testing procedures.

A bigger cam for great performance!

Chevrolet Performance’s LS376/525 is one of our most powerful naturally aspirated 6.2L crate engines. It’s based on the LS3, but adds our aggressive ASA camshaft to expand the performance range, particularly at high rpm, resulting in 525 horsepower and 486 lb.-ft. of torque.

The ASA camshaft is a hydraulic roller with .525-inch lift on both sides, along with 226 degrees duration on the intake side and 236 degrees on the exhaust side. Coupled with a tight 110-degree lobe separation angle, it helps the engine deliver excellent throttle response and breath exceptionally well at high rpm.

You’ll need tuning to make the most of the engine in a late-model GM vehicle. If you plan to use the LS376/525 in a vintage car, you’ll need the controller kit P/N 19354332, which includes the throttle pedal to match its electronically controlled throttle body. Use our Muscle Car Oil Pan Kit P/N 19212593 for installation in older vehicles.

Chevrolet Performance LS376/525 Long Block Crate Engine Installation Notes

• Assembly does not include any electronics
• Use LS376/525 Engine Controller Kit for engine operation, P/N 19354332 (see catalog)
• Includes Camaro F-body wet sump oil pan
• Not intended for marine applications
• Front-End Accessory Drive Kits are available in several configurations (see catalog for application)
• Does not include exhaust manifolds or flexplate/flywheel

Mobil 1 is the recommended engine oil for all Chevrolet Performance Engines

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile/80,000-kilometer limited warranty, whichever comes first. See your GM dealer for details.

Chevrolet Performance does not utilize any used or remanufactured parts in this crate engine, except for the starter, alternator and power steering pump

This part is intended for competition use only. See page 2 of catalog for complete details