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Chevrolet LS3 376/525 V8 Engine

SKU: 19301360

Quick Overview

What do you get when you take Chevrolet Performance’s aggressive ASA camshaft – developed for the high-rpm world of circle-track racing – and slip it into an LS3 6.2L engine? The answer is 525 horsepower in one of our most powerful production-based crate engines. We call it the LS376/525 and if take-no-prisoner performance is what you’re looking for in your new Camaro or rest-mod Chevelle, this is it.


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Availability: In stock

Excl. Tax: £5,750.00 Incl. Tax: £6,900.00
Chevrolet LS3 376/525 V8 Engine is available for purchase in increments of 1

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LS376/525 V8 Crate Engine.
489 lb.-ft. @ 4,400 rpm 525 hp @ 6,300 rpm.

Fuel-Injected ferocity for performance cars of all ages. 525 horsepower in one of THE most powerful production-based crate engines. The LS3 525 is the most powerful LS3 V8 Crate Engine developed and utilises the ASA camshaft for increased power and 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 breathe exceptionally well at high rpm. And for durability, the cam is complemented 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 kit car or motorsport application, you’ll need a GM controller kit, which includes the throttle pedal to match its electronically controlled throttle body, wiring harness, O2 sensors and pre-callibrated ECU.

Use LS376/525 Enginer Controller Kit for engine operation P/N 19259261

Tech Specs

Power: 525 HP @ 6300 RPM, 489 ft. lbs. of torque @ 4400 RPM
Displacement: 376 CID, 6.2L
Bore x Stroke: 4.060” x 3.620”
Compression Ratio: 10.7:1
Recommended Fuel: 92 Octane
Block: Cast Aluminum with 6 bolt cross bolted main caps
Crankshaft: Nodular Iron
Connecting Rods: Powdered Metal Steel
Pistons: Hypereutectic Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .525” Intake / .525” exhaust
Cam Duration @ .050”: 226 deg. Intake / 236 deg. Exhaust
Lobe Separation: 110 Degree
Cylinder Heads: Aluminum L92 style ports
Combustion Chamber: 68cc 
Valves: 2.165” Intake/ 1.590” Exhaust
Rocker Arms: Cast Roller Trunnion, 1.7:1 Ratio
Balance: Internal
Reluctor: 58X
Maximum GM Recommended RPM: 6600

 

Engine Includes:
• Fully GM assembled long block
• Ignition Coils, Plug Wires and Spark Plugs 
• Oil pump, pick-up and Camaro oil pan
• Exhaust Manifolds
• EFI Intake with fuel rails, injectors and throttle body
• 14” Auto Trans Flexplate
• Harmonic Balancer
• Front timing cover
• Aluminum Water Pump
• Oil Filter
• Passenger Side RH Oil Dipstick and Tube

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