High-Revving Circle Track Power – Chevrolet Performance CT525 6.2L Crate Engine The Chevrolet Performance CT525 6.2L Crate Engine is purpose-built for circle track racing, delivering 533 horsepower at 6,600 rpm and 477 lb.-ft. of torque at 5,200 rpm. Based on the legendary LS engine family, the CT525 upgrades the proven 6.2L LS3 with forged aluminum pistons for enhanced durability and high-rpm performance. This lightweight, high-revving powerhouse features a cast aluminum block, cross-bolted 6-bolt mains, and high-flow LS3 rectangular-port heads, ensuring durability and efficiency on the track. With a carbureted intake manifold and 6-quart racing oil pan, the CT525 is race-ready right out of the box—just add a carburetor, starter, and ignition controller (P/N 19355863). What’s Included? The CT525 comes prepped and ready for customization with: Forged Aluminum Pistons for enhanced strength under high-rpm conditions. Coil-On-Plug Ignition for reliable spark delivery. SFI-Certified Balancer for added safety at high engine speeds. 6-Quart Circle Track Oil Pan designed to clear most GM rear-steer chassis. Performance Highlights Horsepower & Torque: 533 HP @ 6,600 rpm / 477 FT. LBS. @ 5,200 rpm Compression Ratio: 10.7:1 – Optimized for premium pump gas. Camshaft Specs: Lift: .525" intake / .525" exhaust Duration (@ .050): 226° intake / 236° exhaust Cylinder Heads: LS3 Rectangular Port with 68cc combustion chambers. 2.165" intake valves and 1.590" exhaust valves for exceptional airflow. Maximum Recommended RPM: 6,700 Built for the Track Block Features: Cast Aluminum Block (P/N 12673475): Lightweight and durable with 6-bolt cross-bolted mains. Rotating Assembly: Nodular Iron Crankshaft (P/N 12597569): Built to handle the stresses of circle track racing. Powdered Metal Connecting Rods (P/N 12649190): Designed for strength and reliability. Forged Aluminum Pistons (P/N 19418214): Upgraded for durability under extreme conditions. Rocker Arms: Investment-Cast with Roller Trunnions: Smooth and efficient valve operation with a 1.7:1 ratio. Why Choose the CT525 Crate Engine? The CT525 is the ideal solution for racers seeking high performance and reliability on the track. It’s perfect for: Circle track enthusiasts looking for proven LS power. Builders requiring a race-ready engine designed for high rpm and durability. Projects where a lightweight and powerful engine is a must. Key Specifications: Displacement: 376 c.i. (6.2L) Horsepower: 533 HP Torque: 477 FT. LBS. Ignition: Coil-on-plug (requires LS/LSX ignition controller, P/N 19355863). Important Notes: Race Use Only: The CT525 is designed exclusively for circle track racing and is not street-legal. Additional Components Required: Carburetor, starter, fuel system, and exhaust system must be added. Fitment: The included oil pan clears most GM rear-steer chassis in stock engine locations.
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