Built for Big Boost – LSX376-B15 Crate Engine Alright, y’all, if you’re dreaming of ridiculous power and tire-shredding torque, the Chevrolet Performance LSX376-B15 Crate Engine is your ultimate foundation. Designed to handle up to 15 psi of boost, this 376 c.i. (6.2L) engine is stuffed with all-forged internals, making it the perfect match for your supercharged or turbocharged build. With LSX-LS3 6-bolt cylinder heads, this engine flows so much air, it’ll practically suck the hood down. And because we know you like to do things your way, it ships without an intake manifold, giving you full freedom to tailor the induction system to your ride. Whether it’s a Camaro, C10, Nova, or custom drag car, the LSX376-B15 is ready to deliver power and reliability in spades. What’s Included? The LSX376-B15 comes ready for your custom touches: LSX Cast-Iron Block with 6-bolt main caps for maximum durability. Forged Steel Crankshaft and Forged Aluminum Pistons built to handle extreme pressure. High-Flow LSX-LS3 Cylinder Heads for exceptional airflow and performance. Dust Shield Installed for Shipment (no intake manifold or oil pan included). Performance Highlights Horsepower & Torque: 473 HP / 444 FT. LBS. (Naturally Aspirated – Boost-ready for much more!) Compression Ratio: 9.0:1 – Boost-friendly for superchargers or turbos. Camshaft Specs: Lift: .560" intake / .555" exhaust. Duration (@ .050): 210° intake / 230° exhaust. Cylinder Heads: 68cc combustion chambers for optimized compression. 2.160" intake valves and 1.550" exhaust valves for exceptional airflow. Why It’s Built to Dominate Block Features: LSX Cast-Iron Construction: Designed to handle the high cylinder pressures of forced induction. 6-Bolt Main Caps: Keep everything locked down when the boost gauge climbs. Rotating Assembly: Forged Steel Crankshaft: Handles the torque of boosted power. Forged Connecting Rods & Pistons: Built to withstand the heat and pressure of high boost. Cylinder Heads: 6-Bolt Attachment: Provides extra clamping force for added durability. Perfect for Your Boosted Build Whether you’re turning your C10 into a twin-turbo beast, outfitting a Camaro for the track, or building a Nova that’ll blow the doors off the competition, the LSX376-B15 is the engine to make it happen. Its forged internals and boost-ready design mean you can push it hard without worrying about it pushing back. Installation Notes Electronics Not Included: Add your ignition controller and carburetor or EFI system to suit your setup. Max Boost: Designed to handle up to 15 psi. Compatibility: Ideal for pre-1976 street vehicles or off-road vehicles. Additional Components Required: Intake manifold, oil pan, and accessories sold separately.
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