Chevrolet Performance DR525 LS 6.2L 525 HP Crate Engines

Chevrolet Performance DR525 LS 6.2L 525 hp crate engines make big power for LSX stock drag racing. These sealed engines signal an important advancement for drag racing, enabling exciting heads-up racing at a lower cost than custom-built engines. The fuel-injected powerhouses are designed as the spec engine for NMCA's LS Stock racing class in the LSX Showdown Challenge Series. The 6.2L (376 cu. in.) naturally aspirated engines are rated at 525 hp with 498 lbs.-ft. torque—and feature several tamper-proof seals to ensure class compliance. DR525 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 3.622 (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.): .525 intake / .525 exhaust * Camshaft duration (@ 0.050 in.): 226 degrees intake / 236 degrees exhaust * Water pump: LS3 * 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, intake: Investment-cast, roller trunnion * Rocker arms, exhaust: Investment-cast, roller trunnion * Rocker arm ratio: 1.7:1 * Recommended fuel: Premium pump * Maximum recommended RPM: 7,000 (with appropriate Chevrolet Performance engine control kit) * Reluctor wheel: 58X * Balanced: Internal Show Less