350 CID GM Small Block Compatible Longblock - 260HP

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.