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May 26, 2026
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May 26, 2026BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625HP EFI Drop-In Base Long Block Crate Engines PSLS4271CT
$9,989.00
Crate Engine, LS Crate Motor, Base Long Block, LS3 Stroker Motor, 58x Gen 4 Drop In Replacement Crate Engine
Overview
BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625HP EFI Drop-In Base Long Block Crate Engines
Swap out your powerplant with one of these BluePrint Engines Pro Series Chevy LS 427 c.i.d. EFI drop-in base long block crate engines. They put down an impressive 625 hp and 565 lbs.-ft. of torque! Featuring a 30-month/50,000-mile warranty, they’re the perfect choice for drivable and reliable high-end performance. Additionally, BluePrint Pro Series Chevy 427 c.i.d. dressed long block crate engine assemblies are manufactured under strict tolerances and provide outstanding, consistent results. They include a 58X Gen IV reluctor wheel and sensors.
Long block crate engine features include:
* New GM LS engine block
* 4340 forged 4.125 in. stroke crankshaft
* 4340 forged 6.125 in. long connecting rods
* Forged pistons
* 11.0:1 compression
* Hydraulic roller camshaft, .624 in. lift intake, .624 in. lift exhaust, 239 intake/255 exhaust duration @ .050 in. lift, with 114 degree lobe separation
* Aluminum GM LS cylinder heads
* Single roller timing chain
* GM LS intake manifold
* Full roller rocker arms
* ECM Controlled (not included – customer must reprogram)






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