BluePrint Engines BP350TBICT - 350 CID GM Small Block Compatible Longblock - 260HP

Horsepower 260HP Torque 342FT/LBS Compression Ratio 9.1 to 1 Block New BluePrint block, 1 piece rear main sale, 4 bolt main Pistons Hypereutectic Rotating Assembly Steel Crank - 3.48 in. Stroke, 5.7 in. Rods Heads 1987-1995 GM Iron Heads Camshaft Specs Hyd Roller, .447 Int / .459 Exh and 201 Int / 208 Exh dur @ .050, 117 LSA BluePrint Engines 5.7L Crate Engine SKU: BP350TBICT Upgrade your 1987-1995 GM TBI truck with this dyno-proven BluePrint Engines 5.7L crate engine. Designed as a direct replacement long block, this engine delivers 260 HP and 342 lb-ft of torque—a gain of up to 50 HP and 42 lb-ft over factory specs—without requiring tuning or fuel system upgrades. Key Features: Dyno-Proven 260 HP / 342 lb-ft Torque (Up to 50 HP / 42 lb-ft gain over factory) 9.2:1 Compression BluePrint High-Strength Cast Iron Block (4-Bolt Main) Cast Crankshaft, Forged Connecting Rods, Hypereutectic Pistons 1987-1995 GM Iron Cylinder Heads Hydraulic Roller Cam Direct Replacement Long Block for 1987-1995 TBI Trucks: New Valve Covers Rear Sump Oil Pan Timing Cover Harmonic Balancer Direct Fit Bolt-On Performance This engine is specifically engineered for a seamless installation in 1987-1995 GM TBI trucks. Simply reuse your existing intake manifold, ECU, and fuel system for a significant performance boost without requiring any additional modifications or tuning. This upgrade provides a roller cam, 4-bolt main, and increased horsepower while retaining OEM components like the torque converter and exhaust. Important Notes: Not for use in pollution-controlled vehicles. Tested in a factory-equipped 1987-1995 OEM 5.7L truck with factory torque converter, fueling system, and ECU, using 87 octane fuel. Recommended spark plugs: ACDELCO CR43TS with .035" gap.