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BluePrint Engines 383 CI Low Profile Stroker Crate Engine | Dyno Tested Small Block GM Style | HP and torque: 436 HP / 443 FT LBS, Compression Ratio: 10.0:1 | Base Dressed Longblock with Fuel Injection | With Aluminum Heads, Hydraulic Roller Cam, Cast Steel Crank, and Hypereutectic Pistons

436 Horsepower / 443 FT. LBS. Torque | Compression Ratio: 10.0:1 | 1-Piece Rear Main Seal

BluePrint Engines 383CI Stroker Crate Engine for 1996-2000 GM Vortec Truck/SUV | No ECU Tuning Required, Dyno Tested Longblock | +47 Rear Wheel Horsepower Increase over Stock | + 55 Rear Wheel ft/lbs Torque Increase over Stock | Aluminum Heads, Hydraulic Roller Cam, Cast Steel Crank, and Hypereutectic Pistons

This GM 400 c.i. engine puts out 500 horsepower and 510 ft lb. of torque | All aluminum heads and roller cams | Features a new forged crankshaft with 5.7″ connecting rods | Compression Ratio: 10.3:1 | Rotating assembly balanced to within 2 grams

BluePrint 383 stroker delivers 436 horsepower and 443 ft.-lbs. of torque | Polished front accessory drive | Holley Sniper 2 EFI | Aluminum heads, hydraulic roller cam, and 10.0:1 compression | Complete 700R4 automatic transmission package includes torque converter, flexplate, and starter

BluePrint 383 stroker delivers 436 horsepower and 443 ft.-lbs. of torque | Holley Sniper 2 EFI | Aluminum heads, hydraulic roller cam, and 10.0:1 compression | Polished front accessory drive | Complete TKX manual transmission package includes clutch, hydraulic throwout bearing, bellhousing, billet flywheel, starter, and overdrive gearing

BluePrint 383 stroker delivers 436 horsepower and 443 ft.-lbs. of torque | Polished front accessory drive | Holley 750 CFM carburetor | Aluminum heads, hydraulic roller cam, and 10.0:1 compression | Complete TKX manual transmission package includes clutch, hydraulic throwout bearing, bellhousing, billet flywheel, starter, and overdrive gearing

BluePrint 400 delivers 500 horsepower and 510 ft.-lbs. of torque | Polished front accessory drive | Holley Sniper 2 EFI | Forged crankshaft, forged pistons, aluminum heads, and hydraulic roller cam | Complete 700R4 automatic transmission package includes torque converter, flexplate, and starter