This 427ci stroker long block is an awesome platform to build strong reliable power. This engine is regularly used to produce over 600hp naturally asperated. The stroke length is perfect to add extra torque and a very agressive sound. This engine is a performer and will take you to the top.
- HP & Torque: 625 HP / 565 FT LBS
Compression Ratio: 11:1
Hydraulic Roller Cam
- OEM Block Machined in the USA!
4.060" Bored to 4.069
1-Piece Rear Main Seal
- New Forged Crankshaft
Forged 6.125" connecting Rods
- BluePrint Aluminum Cylinder Heads -PS8015
2.165" intake/1.600" exhaust valves
259cc intake/102cc exhaust runners
.624 intake .624 exhaust lift
239 intake 255 exhaust duration
@ .050, 114 degree lobe sep.
- 90mm DBW throttle body
LS3 intake manifold
42# injectors and returnless fuel rail
Valve covers, retro fit oil pan and timing cover
All sensors required for engine to run
Spark plug wires & wiring harness
Dyno tested & shipped with results
- 30 month / 50,000 mile
- This engine requires a non-weighted flexplate/flywheel.
Recommended Fuel: 91 Octane
BluePrint Engines recommends a 2200+ RPM stall converter.
Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
Not for use in pollution controlled vehicles or in dry sump applications.
**SHIPPING WILL BE CALCULATED AFTER THE SALE**
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.