533 HP @6,600 RPM/ 477 LB-FT TORQUE @5,200 RPM
price: $9,169
part number: 19418211
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    Exclusive LS3-based Chevrolet Performance racing engine is a lightweight powerhouse Chevrolet Performance’s CT525 6.2L crate engine is based on the latest-generation LS engine family and delivers serious power for serious racing series, including Super Late Model and similar classes. It is rated at 533 hp and 477 lb-ft of torque. This 6.2L engine is similar to the LS3 V-8 that is standard in the Chevrolet Corvette, but we’ve adapted it to Circle Track racing with a carburetor intake manifold, six-quart racing oil pan, and more. The engine is lightweight and strong, using an aluminum block with cross-bolted six-bolt main caps and high-flow LS3 rectangular-port cylinder heads. The CT525 6.2L comes with coil-on-plug ignition, a water pump, exhaust manifolds and an SFI-certified balancer. It also comes with a 14-inch/168-tooth automatic transmission flexplate. All that’s needed to complete the assembly is a carburetor, starter, and our LSX ignition controller, P/N 19171130. All the necessary parts are available online at chevroletperformance.com.

    Part Number: 19331563
    Engine Type: LS-Series Gen IV Small-Block V-8
    Displacement (cu in): 376 (6.2L)
    Bore x Stroke (in): 4.065 x 3.62 (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 12649190): Powdered metal
    Pistons (P/N 19207287): Hypereutectic aluminum
    Camshaft Type (P/N 88958770): Hydraulic roller
    Valve Lift (in): .525 intake / .525 exhaust
    Camshaft Duration (@.050 in): 226° intake / 236° exhaust
    Cylinder Heads (P/N 12629063): LS3 rectangular port; aluminum as-cast with 68cc chambers
    Valve Size (in): 2.165 intake / 1.590 exhaust
    Compression Ratio: 10.7:1 Nominal
    Rocker Arms (P/N 12669995 int): Investment-cast, roller trunnion
    Rocker Arms (P/N 12669993 exh): Investment-cast, roller trunnion
    Rocker Arm Ratio: 1.7:1
    Recommended Fuel: Premium pump
    Reluctor Wheel: 58x
    Maximum Recommended rpm: 6,700
    Balanced: Internal

    • Use LSX ignition controller P/N 19171130 (not included)
    • Requires addition of carburetor, starter, fuel system, exhaust system, and front accessory drive system
    • The 6-quart circle track oil pan is designed to clear most GM rear-steer chassis with stock engine location. Requires external oil filter and cooler (will increase capacity to approximately 8 quarts)
    • For Circle Track Racing only – Not intended for street use.
    • The CT525 does not include a water pump or factory exhaust manifolds
    • Circle Track racing engines from Chevrolet Performance include anti-tampering seals installed

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