Chevrolet Performance CT525 6.2L Crate Engine
- 533 hp @ 6,600 rpm/477 lb.-ft. @ 5,200 rpm
- Lightweight, High-RPM LS Power!
- For Circle Track Racing only – NOT intended for street use
- Comes with GM anti-tamper fasteners installed
CT525 6.2L Circle Track Racing Crate Engine
533 hp @ 6,600 rpm / 477 lb.-ft. @ 5,200 rpm
CT525 Tech Specs:
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 12673475): 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 12681275 exh): Investment-cast, roller trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium pump
Reluctor Wheel: 58x
Maximum Recommended rpm: 6,700
– Use LSX ignition controller P/N 19355863
– Requires addition of carburetor, starter, 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
– 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
This part replaced by P/N 19418211. Click here for new part.
Chevrolet Performance Racing Crate Engines are excluded from limited warranty.
This product qualifies for Free Mobil 1 Oil!
November 1, 2020 through February 28, 2021 receive a Free case of Mobil 1 Oil with the purchase of a Chevrolet Performance Crate Engine and receive two Free Cases of Mobil 1 Oil with the purchase of a Connect & Cruise Package.