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Blueprint Engines - LS 427 Crate Engine Long Block

Blueprint Engines - LS 427 Crate Engine Long Block

The Blueprint Engines LS 427 Crate Engine Long Block delivers 605 horsepower and 565 ft-lbs of torque, featuring a high-strength cast iron block, aluminum cylinder heads, and a hydraulic roller camshaft.
$ 10,799.00 $ 10,799.00

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30-day money-back guarantee
Shipping: 2-3 Business Days

Specification

Brand
Blueprint Engines
Item Number
BPEPSLS42730CT
Horsepower
605 HP
Torque
565 ft-lbs
Compression Ratio
11:1
Block Material
High-Strength Cast Iron
Cylinder Heads
Aluminum
Camshaft Type
Hydraulic Roller
Crankshaft
Forged Steel, 4.125" Stroke
Connecting Rods
Forged, 6.125" Length
Pistons
Forged
Bore
4.0685"
Main Caps
6-Bolt
Rear Main Seal
1-Piece
Intake Valves
2.165"
Exhaust Valves
1.590"
Intake Runners
259cc
Exhaust Runners
102cc
Camshaft Lift
0.624" Intake / 0.624" Exhaust
Camshaft Duration
239° Intake / 255° Exhaust @ 0.050"
Lobe Separation Angle
114°
Fuel System
Electronic Fuel Injection
Recommended Fuel
91 Octane
Ignition Timing
Controlled by Powertrain Control Module
Firing Order
1-8-7-2-6-5-4-3
Harmonic Balancer
Non-Weighted
Flexplate/Flywheel
Non-Weighted
Stall Converter
2200+ RPM
Oil Pan
Retrofit, fits most 1955-1995 GM front engine, RWD, V8 cars
Included Components
Valve Covers, Timing Cover, Coil Packs, Spark Plugs and Wires, Sensors, Wiring Harness, Drive-by-Wire Throttle Body, 42# Injectors, Returnless Fuel Rail
Warranty
30-Months / 50,000 Miles, Fully Transferable

Description

Elevate your vehicle's performance with the Blueprint Engines LS 427 Crate Engine Long Block. This powerhouse boasts 605 horsepower and 565 ft-lbs of torque, thanks to its high-strength cast iron block and aluminum cylinder heads. The hydraulic roller camshaft ensures smooth operation, while the forged crankshaft and pistons provide durability. Designed for GM LS-Series applications, this engine is ready to drop in and revitalize your ride.

Disclaimer

This engine requires a non-weighted flex plate/flywheel. Recommended fuel is 91 octane. Not for use in pollution-controlled vehicles or dry sump applications. The included LS controller package is for engine control only and does not contain any transmission or body control. Additional tuning may be necessary based on vehicle parameters.