Hawks Motorsports offers the BluePrint Engines B632K4L8 GM Big Block Compatible 632 C.I. Pro Series Engine and 4L80E Automatic Transmission Package, delivering an incredible 815 horsepower and 775 lb-ft of torque in a complete, professionally assembled drivetrain package. Combining BluePrint's legendary 632 cubic inch Pro Series engine with a fully equipped 4L80E automatic transmission, this Builder Series package is designed for builders who want maximum naturally aspirated big-block power with modern overdrive cruising capability.

Built around BluePrint's high-strength tall deck cast iron block, the engine features a forged rotating assembly, aluminum cylinder heads, hydraulic roller camshaft, forged crankshaft, forged H-beam connecting rods, and forged dome pistons. The 4.600-inch bore, 4.750-inch stroke, and 11.0:1 compression ratio provide exceptional torque throughout the RPM range while maintaining reliability for high-performance street and strip applications.

The Standard Edition Builder Series package includes a 1250 CFM Holley carburetor, satin aluminum single-plane intake manifold, Pro Series Ready-to-Run distributor, polished front accessory drive system, electric fuel pump, and a complete 4L80E transmission package with electronic controller, lockup torque converter, starter, and flexplate. The polished pulley kit delivers both premium appearance and complete accessory functionality, making installation significantly easier.

Whether powering a Pro Touring Camaro, Chevelle, Nova, C10, street rod, or custom muscle car, the B632K4L8 provides a turnkey drivetrain solution backed by BluePrint Engines' precision machining, dyno testing, and warranty.

Key Features:

• SKU: B632K4L8
• GM Big Block Compatible 632 C.I. Pro Series Engine
• Complete Engine & 4L80E Automatic Transmission Package
• 815 Horsepower
• 775 lb-ft Torque
• Standard Edition Builder Series
• Carbureted Configuration
• Polished Pulley Kit
• BluePrint High-Strength Cast Iron Tall Deck Block
• Manufactured and Machined in the USA
• 4-Bolt Main Block
• 1-Piece Rear Main Seal
• Mechanical Fuel Pump Provision
• 4.600" Bore
• 4.750" Stroke
• Forged Steel Crankshaft
• Forged 6.635" H-Beam Connecting Rods
• Forged Dome Pistons
• Internally Balanced Rotating Assembly
• 11.0:1 Compression Ratio
• BluePrint Aluminum Cylinder Heads (PS8012)
• Hydraulic Roller Camshaft
• Camshaft Specifications:
  • .698" Intake Lift
  • .698" Exhaust Lift
  • 272° Intake Duration @ .050"
  • 282° Exhaust Duration @ .050"
  • 110° Lobe Separation Angle
• 1250 CFM Holley Carburetor
• Satin Aluminum Single Plane Intake Manifold
• Pro Series Ready-to-Run Distributor
• Electric Fuel Pump
• Valve Covers
• Oil Pan
• Timing Cover
• Harmonic Balancer
• Thermostat & Housing Included

Polished Pulley Kit Includes:

• Reverse Rotation Short Water Pump
• 140-Amp One-Wire Alternator
• Peanut Style A/C Compressor
• Type II Power Steering Pump with Remote Reservoir

4L80E Transmission Package Includes:

• Complete 4L80E Automatic Transmission
• Electronic Transmission Controller
• Lockup Torque Converter
• 3800-4200 RPM Stall Converter
• Flexplate
• Starter

4L80E Gear Ratios:

• 1st: 2.482
• 2nd: 1.482
• 3rd: 1.000
• 4th: 0.750
• Reverse: 2.077

Fitment Applications:

Designed for custom GM Big Block Chevrolet compatible applications:

• Chevrolet Camaro
• Chevrolet Chevelle
• Chevrolet Nova
• Chevrolet Corvette
• Chevrolet El Camino
• Chevrolet Impala
• Chevrolet C10 / C20 / C30 Trucks
• Street Rods
• Restomod Builds
• Pro Touring Vehicles
• Classic Muscle Cars
• Street/Strip Applications
• Custom Performance Vehicles

Verify engine bay clearance, transmission tunnel clearance, driveshaft length, crossmember compatibility, header clearance, and cooling system capacity before installation.

Installation Notes:

• Complete engine and transmission package.
• Designed for non-emissions-controlled vehicles.
• Tall deck block is approximately .400" taller and wider than OEM big block dimensions.
• Cylinder heads feature .300" raised exhaust ports requiring compatible headers.
• Requires compatible driveshaft and transmission crossmember.
• 4L80E controller included.
• Initial timing: 10°-16° BTDC
• Total timing: 32°-34°
• Recommended fuel: 91+ octane
• Professional installation and tuning are strongly recommended.