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PSLS4271CT LS3 Crate Engine by BluePrint Engines 427CI 625 HP ProSeries Stroker Crate Engine GM LS Style Longblock Aluminum Heads Roller Cam Late Model Drop In Upgrade
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
NOTES:
This engine requires a non-weighted harmonic balancer, and non-weighted flexplate/flywheel.
This engine is specifically designed to replace your existing LS engine - a direct drop in for Gen 4 applications.
Built with a 58x Gen 4 style reluctor and sensors.
Not for use in pollution controlled vehicles.
Recommended Fuel: 91 Octane
BluePrint Engines recommends a 2200+ RPM stall converter
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