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Product Summary

Universal Fit, 400 cu. in. Engine Displacement

  • BluePrint 400 delivers 500 horsepower and 510 ft.-lbs. of torque
  • Polished front accessory drive
  • Holley 850 CFM Double Pumper carburetor
  • Forged crankshaft, forged pistons, aluminum heads, and hydraulic roller cam
  • Complete TKX manual transmission package includes clutch, hydraulic throwout bearing, bellhousing, billet flywheel, starter, and overdrive gearing
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Key Specs

Engine Displacement400 cu. in.
Horsepower500 horsepower
Compression Ratio10.3:1
Camshaft TypeHydraulic Roller Tappet
Cylinder Head MaterialAluminum
See more specs

Need To Know

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

Quick and Easy Returns

Return Policy

BluePrint Engines B400KTKX Details

This BluePrint Builder Series 400 c.i. engine and TKX manual transmission package is a high-output carbureted small block Chevy combination built for serious street performance with classic V8 attitude and the control of a five-speed manual. Delivering 500 horsepower and 510 ft.-lbs. of torque, it combines forged internals, aluminum heads, a hydraulic roller cam, an 850 CFM Holley Double Pumper carburetor, and a polished front accessory drive with a complete TKX transmission package for a powerful, responsive setup made for aggressive acceleration and an engaging driving experience.

  • BluePrint 400 delivers 500 horsepower and 510 ft.-lbs. of torque
  • Polished front accessory drive
  • Holley 850 CFM Double Pumper carburetor
  • Forged crankshaft, forged pistons, aluminum heads, and hydraulic roller cam 
  • Complete TKX manual transmission package includes clutch, hydraulic throwout bearing, bellhousing, billet flywheel, starter, and overdrive gearing

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Drilled and Tapped for Clutch Linkage
  • Mech Fuel Pump Provision: Yes
  • Passenger Side Dipstick
  • 1-Piece Rear Main Seal
  • 4-Bolt Main
  • 4.125" Bore

Rotating Assembly:

  • BluePrint Forged Crankshaft
  • 3.750" Stroke
  • Forged I Beam 5.700" Connecting Rods w/ 150,000 PSI Bolts
  • Forged Pistons
  • Internally Balanced Front - Externally Balanced Rear

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - HP8103
  • 64cc Chamber
  • 2.08" Intake / 1.60" Exhaust Valves
  • 220cc Intake / 67cc Exhaust Runners

Cam Specs:

  • Hydraulic Roller
  • .555 Intake / .576 Exhaust Lift
  • 236 Intake / 242 Exhaust Duration
  • @ .050-110 Degree Lobe Separation

Ignition Timing:

  • 10-16° Initial and Total Timing 32-34° at 3500 RPM

Also Includes:

  • Holley 850cfm Double Pumper Carburetor w/ Manual Choke
  • Intake Manifold Dual Plane Satin Aluminum - BPP350VINT
  • Pro Series Ready Run Distributor - BPP3503BK
  • Thermostat Housing - BPP10108470
  • Mechanical Fuel Pump - BPP61073
  • Thermostat - BPP180TS
  • Spark Plugs - BPP7938
  • Plug Wire Separators
  • Spark Plug Wires
  • Valve Covers
  • Timing Cover
  • Oil Filter
  • Oil Pan
  • Polished Front Accessory Drive - BPP350FDACPS4
  • Reverse Rotation Short Water Pump
  • Type II Power Steering Pump
  • Remote Power Steering Pump Reservoir
  • 140amp 1-wire Alternator
  • 7B10 Peanut Style Air Conditioning Compressor

Assembled with Complete TKX Transmission Package:

  • Mcleod Super Street Pro Single Disk Clutch
  • Hydraulic Throw Out Bearing
  • Bell Housing
  • Billet Flywheel
  • Starter
  • First Gear Ratio: 2.87:1
  • Second Gear Ratio: 1.89:1
  • Third Gear Ratio: 1.28:1
  • Fourth Gear Ratio: 1.00:1
  • Fifth Gear Ratio: 0.81:1

CARB Warning

Follow EPA, CARB, and state regulations for engine changes

Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine

BluePrint Engines B400KTKX Specifications

KEY SPECS
MFG. Part #B400KTKX
BrandBluePrint Engines
Engine Displacement400 cu. in.
Horsepower500 horsepower
Compression Ratio10.3:1
Camshaft TypeHydraulic Roller Tappet
Cylinder Head MaterialAluminum
Piston MaterialForged Aluminum
Crankshaft MaterialForged Steel
Combustion Chamber Volume64cc
Camshaft Duration (.050 in)236° intake / 242° exhaust
Camshaft Lift (in).555 intake / .576 exhaust
Carburetor IncludedYes
Intake Manifold IncludedYes
Distributor IncludedYes
Connecting Rod MaterialForged Steel
Cylinder Heads IncludedYes
Oil Pan IncludedYes
Timing Cover IncludedYes
Water Pump IncludedYes
Harmonic Balancer IncludedYes
Flywheel IncludedYes
Air Cleaner IncludedYes
Spark Plugs IncludedYes
Spark Plug Wires IncludedYes
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