BluePrint Engines B427KTKX SBC 427 with TKX, Carbureted, Pol.

#227B427KTKX

BluePrint Engines B427KTKX SBC 427 with TKX, Carbureted, Pol.

BluePrint 427 delivers 540 horsepower and 535 ft.-lbs. of torque
Polished front accessory drive
Holley 850 CFM Double Pumper carburetor

Fuel Delivery System:

Carbureted

Transmission Type:

$19,799.00

/each

Factory Shipped

Quantity

Need Help? Call to Order

Add to a list

Select an engine to verify Fitment

Select Engine

Product Summary

Connect and Cruise Crate Engine Type, Oil Pan Included

BluePrint 427 delivers 540 horsepower and 535 ft.-lbs. of torque
Polished front accessory drive
Holley 850 CFM Double Pumper carburetor
Forged steel crank, 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

See more details

Key Specs

Crate Engine Type	Connect and Cruise
Compression Ratio	10.0:1
Engine Displacement	427 cu. in.
Camshaft Type	Hydraulic Roller Tappet
Cylinder Head Material	Aluminum

See more specs

Need To Know

Made to Order

This custom item will ship when completed

Truck Shipment

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

Need help?

855.313.9176

View the Help Center

Quick and Easy Returns

Return Policy

BluePrint Engines B427KTKX Details

This BluePrint Builder Series 427 c.i. engine and TKX manual transmission package is a high-output small block Chevy combination built for serious street performance with classic carbureted power and the control of a five-speed manual. Delivering 540 horsepower and 535 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 427 delivers 540 horsepower and 535 ft.-lbs. of torque
Polished front accessory drive
Holley 850 CFM Double Pumper carburetor
Forged steel crank, 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
Manufactured and Machined in the USA!
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
4.000" Stroke
Forged 6.000" Connecting Rods
Forged Pistons
Internally Balanced Front and 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
.577 Intake / .577 Exhaust Lift
240 Intake / 248 Exhaust Duration
@ .050-112 Degree Lobe Separation

Ignition Timing:

Initial Timing 10-16° and Total Timing 32-34°

Also Includes:

Holley 850cfm Double Pumper Carburetor w/ Manual Choke - BPP04781S
Satin Aluminum Intake Manifold - BPP427454INT
Pro Series Ready Run Distributor - BPP3503BK
Thermostat and Thermostat Housing
Valve Covers - BPP9518
Spark Plugs and Wires
Electric Fuel Pump
Timing Cover
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

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

BluePrint Engines B427KTKX Specifications

KEY SPECS
MFG. Part #	B427KTKX
Brand	BluePrint Engines
Crate Engine Type	Connect and Cruise
Compression Ratio	10.0:1
Engine Displacement	427 cu. in.
Camshaft Type	Hydraulic Roller Tappet
Cylinder Head Material	Aluminum
Piston Material	Forged Aluminum
Crankshaft Material	Forged Steel
Carburetor Included	Yes
Intake Manifold Included	Yes
Distributor Included	Yes
Connecting Rod Material	Forged Steel
Valve Covers Included	Yes
Cylinder Heads Included	Yes
Throttle Body Included	No
Timing Cover Included	Yes
Oil Pan Included	Yes
Water Pump Included	Yes
Harmonic Balancer Included	Yes
Flexplate Included	No
Flywheel Included	Yes
Air Cleaner Included	Yes
Spark Plugs Included	Yes
Spark Plug Wires Included	Yes
Computer Included	No
Wiring Harness Included	Yes

GENERAL
Horsepower	540 horsepower
Combustion Chamber Volume	66cc
Camshaft Duration (.050 in)	240° intake / 248° exhaust
Camshaft Lift (in)	.577 intake / .577 exhaust
Bore x Stroke (in)	4.125" x 4.00"
Sold in Quantity	Kit

Ratings & Reviews

Be the first to write a review.

Questions & Answers

Be the first to ask a question.

Fitment

1970-1975 Chevy Bel Air

2-Piece Rear Main Chevy 400

1970-1972 Chevy Biscayne

2-Piece Rear Main Chevy 400

1970-1972 Chevy Brookwood

2-Piece Rear Main Chevy 400

1976-1980 Chevy C10

2-Piece Rear Main Chevy 400

1976-1980 Chevy C20

2-Piece Rear Main Chevy 400

1976-1980 Chevy C20 Suburban

2-Piece Rear Main Chevy 400

1976-1979 Chevy C30

2-Piece Rear Main Chevy 400

1970-1976 Chevy Caprice

2-Piece Rear Main Chevy 400

1970-1973 Chevy Chevelle

2-Piece Rear Main Chevy 400

1970-1976 Chevy El Camino

2-Piece Rear Main Chevy 400

1970 Chevy Estate

2-Piece Rear Main Chevy 400

1976 Chevy G10

2-Piece Rear Main Chevy 400

1975-1980 Chevy G20

2-Piece Rear Main Chevy 400

1975-1980 Chevy G30

2-Piece Rear Main Chevy 400

1970-1976 Chevy Impala

2-Piece Rear Main Chevy 400

1975-1980 Chevy K10

2-Piece Rear Main Chevy 400

1975-1979 Chevy K10 Suburban

2-Piece Rear Main Chevy 400

1975-1980 Chevy K20

2-Piece Rear Main Chevy 400

1975-1980 Chevy K20 Suburban

2-Piece Rear Main Chevy 400

1977-1980 Chevy K30

2-Piece Rear Main Chevy 400

1975-1979 Chevy K5 Blazer

2-Piece Rear Main Chevy 400

1970-1972 Chevy Kingswood

2-Piece Rear Main Chevy 400

1973-1976 Chevy Laguna

2-Piece Rear Main Chevy 400

1973-1976 Chevy Malibu

2-Piece Rear Main Chevy 400

1970-1976 Chevy Monte Carlo

2-Piece Rear Main Chevy 400

1976 Chevy P30

2-Piece Rear Main Chevy 400

1970-1972 Chevy Townsman

2-Piece Rear Main Chevy 400

1973-1974 GMC C35/C3500 Pickup

2-Piece Rear Main Chevy 400

1975-1978 GMC K15

2-Piece Rear Main Chevy 400

1975-1978 GMC K15 Suburban

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Pickup

2-Piece Rear Main Chevy 400

1967-1974 GMC K15/K1500 Suburban

2-Piece Rear Main Chevy 400

1979-1980 GMC K1500 Suburban

2-Piece Rear Main Chevy 400

1975-1978 GMC K25

2-Piece Rear Main Chevy 400

1975-1978 GMC K25 Suburban

2-Piece Rear Main Chevy 400

1973-1974 GMC K25/K2500 Pickup

2-Piece Rear Main Chevy 400

1973-1974 GMC K25/K2500 Suburban

2-Piece Rear Main Chevy 400

1979-1986 GMC K2500 Suburban

2-Piece Rear Main Chevy 400

1973-1974 GMC K35/K3500 Pickup

2-Piece Rear Main Chevy 400

1973-1977 GMC Sprint

2-Piece Rear Main Chevy 400