Chevrolet Performance LS376/525 LS3 Crate Engine

Brand: Chevrolet Performance

Part Number: 19301360

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LS376/525 Chevy Performance Crate Engine

Our Most Powerful Naturally Aspirated 6.2L LS Crate Engine!

With the aggressive ASA camshaft installed in the LS3, (developed for high-horsepower demands of circle track racing) it comes alive with 525 uncompromising horsepower! That makes it powerful and edgy; you’ll notice it in the idle quality and you’ll feel it as the revs climb.

That cam 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 this Chevy crate motor deliver excellent throttle response and exceptional breathing at high rpm. GM added higher-rate valve springs as well.

LS376/525 Chevy Performance Crate Engine

525 hp @ 6,200 rpm / 486 lb.-ft. @ 5,200 rpm

 



Our Most Powerful 6.2L!

With Chevrolet Performance’s aggressive ASA camshaft – developed for the high rpm world of circle track racing – installed in the LS3 6.2L engine, it comes alive with 525 uncompromising horsepower. That makes it the most powerful naturally aspirated 6.2L street engine in our portfolio – and one that has an edge to it. You’ll notice it in the idle quality and you’ll feel it when the revs quickly climb.

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 this Chevy crate motor deliver excellent throttle response and breathe exceptionally well at high rpm. And for durability, we complement the cam with higher-rate valve springs.

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 controller kit P/N 19259261, which includes the throttle pedal to match its electronically controlled throttle body.

19301360 Chevrolet Crate Motor

LS376/525 Tech Specs:
Part Number: 19301360
Engine Type: LS-Series Gen IV Small-Block V-8
Displacement (cu in): 376 cu in (6.2L)
Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm)
Block (P/N 12623967): Cast aluminum with 6-bolt, cross-bolted main caps
Crankshaft (P/N 12597569): Nodular iron
Connecting Rods (P/N 12607475): Powdered metal
Pistons (P/N 19207287): Hypereutectic aluminum
Camshaft Type (P/N 88958770): Hydraulic roller
Valve Lift (in): 0.525" intake / 0.525" exhaust
Camshaft Duration (@0.050 in): 226° intake / 236° exhaust
Cylinder Heads (P/N 12629063): Aluminum L92-style port; as cast with 68cc chambers
Valve Size (in): 2.165 intake / 1.590 exhaust
Compression ratio: 10.7:1
Rocker Arms (P/N 12569167 int): Investment cast, roll trunnion
Rocker Arms (P/N 10214664 exh): Investment cast, roll trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium Pump
Maximum Recommended RPM: 6,600
Reluctor Wheel: 58x
Balanced: Internal

 

Recommended Transmission:  SuperMatic™ 4L70-E Four-Speed Automatic P/N 19299055

 

Installation Notes:
• Assembly does not include any electronics
• Use LS376/525 Engine Controller Kit for engine operation P/N 19259261
• Includes Chevy SS wet sump oil pan
• Intended for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications
• Front-end accessory drive kits are available in several configurations

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile (80,000 kilometer) limited warranty.

Click here for more detailed warranty information.




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