LS376/525

525 HP @6,200 RPM / 486 LB-FT TORQUE @5,200 RPM
price: $9,026
part number: 19369338
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    Fuel-injected ferocity for performance cars of all ages 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 restomod Chevelle, this is it. The ASA camshaft is a hydraulic roller with .525-inch lift on both sides, along with 226 degrees of 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, 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 the controller kit, which includes the throttle pedal to match its electronically controlled throttle body. Check out our LS1 Engine Kit Installation Guide for details on installing an LS engine in a vintage vehicle.

    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: Cast aluminum with 6-bolt, cross-bolted main caps
    Crankshaft: Nodular iron
    Connecting Rods: Powdered metal
    Pistons: Hypereutectic aluminum
    Camshaft Type: Hydraulic roller
    Valve Lift (in): 0.525 intake / 0.525 exhaust
    Camshaft Duration (@0.050 in): 226° intake / 236° exhaust
    Cylinder Heads: 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: Investment cast, roll trunnion
    Rocker Arms: Investment cast, roll trunnion
    Rocker Arm Ratio: 1.7:1
    Recommended Fuel: Premium pump
    Maximum Recommended RPM: 6,600
    Reluctor Wheel: 58x
    Balanced: Internal

    • Assembly does not include any electronics
    • Use LS376/525 Engine Controller Kit for engine operation
    • 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.

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