BluePrint GM Small Block Compatible 396 c.i. Long Block – 491 HP, Forged Internals, Hydraulic Roller Cam

Unleash the Power of BluePrint’s 396 c.i. Small Block Long Block

If you’re lookin’ to bring serious power to your Chevy build, the BluePrint 396 c.i. Long Block is ready to deliver. With a massive 491 horsepower and 509 ft.-lbs. of torque, this engine combines brute strength with cutting-edge engineering. From the forged crankshaft to the aluminum heads, this powerhouse is built to dominate on the street, strip, or wherever your passion takes you.

Built for Performance

Block Features:

• BluePrint High-Strength Cast Iron Block
  • Precision machined in the USA for unmatched durability.
  • 4-bolt mains and a 4.000" bore for superior stability.
  • Sonic-tested cylinders ensure optimal thickness for reliability.
  • Drilled and tapped for clutch linkage and equipped with a mechanical fuel pump provision.

Rotating Assembly:

• Forged Steel Crankshaft with a 3.875" stroke for smooth power delivery.
• Forged I-Beam Connecting Rods: Built to handle high performance.
• Forged Pistons: Designed for strength under extreme conditions.
• Internal Front / External Rear Balance for refined operation.

Cylinder Heads:

• BluePrint Aluminum Heads (HP8103):
  • 64cc combustion chambers for a 10.4:1 compression ratio.
  • Large 2.08" intake valves and 1.60" exhaust valves optimize airflow.
  • 220cc intake and 67cc exhaust runners for top-tier performance.

Camshaft Specs:

• Hydraulic Roller Cam:
  • .544" intake / .555" exhaust lift for exceptional valve action.
  • 230° intake / 236° exhaust duration @ .050, with a 110° LSA for a broad torque curve and a wicked idle.

Key Highlights

• Horsepower & Torque: 491 HP / 509 FT. LBS.
• Compression Ratio: 10.4:1 – Runs on 93 octane or higher.
• Complete Assembly: Includes valve covers, oil pan, and timing cover for easy installation.

Why It’s Perfect for Your Build

This 396 c.i. small block is designed for enthusiasts who demand the best. Whether you’re building a street machine, a track monster, or a resto-mod, this engine’s forged internals and precision machining make it a reliable foundation for big power.

Important Notes

• Not for Pollution-Controlled Vehicles: Built for pure performance.
• The aluminum cylinder heads feature a .500 raised port, so check compatibility with your headers and intake.
• A bronze distributor gear is NOT recommended for this engine.