BluePrint Engines 632 c.i. GM Compatible Builder Series - Standard Edition - Carbureted - 4L80E Automatic Transmission - Polished Pulley Kit. (PART #BPE-B632K4L8)

The B632K4L8 from BluePrint Engines is a high-performance crate engine built for people who want serious power with the confidence of a professionally assembled motor. Designed around a large-displacement V8, this engine delivers extreme acceleration and strong pull across the RPM range, making it a great fit for street/strip cars, muscle car builds, or high-powered restomods. It comes fully assembled with quality internal components, so you’re getting a ready-to-run foundation without the hassle of sourcing parts or worrying about compatibility.

Backed by BluePrint Engines’ testing and warranty, the B632K4L8 is ideal for enthusiasts who want big power, reliability, and peace of mind without needing deep mechanical expertise.

Blocks:

• BluePrint Engines High Strength Cast Iron Block
• Manufactured and Machined in the USA!
• 4-Bolt Main
• 4.600" Bore
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Tall Deck (Cylinder Deck is Approx .400 Taller / Wider than OEM Block)

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - PS8012
• 119cc Chamber
• 2.30" Intake / 1.88" Exhaust Valves
• 358cc Intake / 125cc Exhaust Runners
• Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting.

Rotating Assembly:

• Forged H-beam 6.635" Connecting Rods
• Internally Balanced

Included items:

• Valve Covers
• Oil Pan
• Timing Cover
• Harmonic Balancer
• 1250cfm Holley Carburetor
• Intake Manifold
• Pro Series Ready Run Distributor - BPP3503BK
• Electric Fuel Pump
• Thermostat and Thermostat Housing
• Polished Pulley Kit - BPP454FDPSAC4
  • Reverse Rotation Short Water Pump
  • 1- Wire 140amp Alternator
  • Peanut Style Air Conditioning Compressor
  • Type II Power Steering Pump with Remote Reservoir

Assembled with Complete 4l80e Automatic Transmission Package:

• 4L80E Complete Package with Electronic Controller Included
• W/Lockup Capability
• 3800+ Stall Torque Converter
• Flex Plate
• Starter

4L80E Gear Ratios:

• 1: 2.482
• 2: 1.482
• 3: 1.00
• 4: 0.750
• R: 2.077

Notes:

• BPE recommends electric fans that produce 3000 cfm or more, for engines that are 400cid or less. Engines that are over 400cid BPE recommends 4000cfm or more.
• Not for use in pollution-controlled vehicles.
• This engine features .300 raised exhaust ports and .400 deck height increase over OEM.
• Must verify clearance of exhaust, shift linkage, steering components etc. before ordering.