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JRM 383 Street Series shortblock with GM Performance Ramjet EFI

Availability: Please Call 888-771-5574
Line Code: KPM
Part Number: RJI-EZ383
$8,349.99

JRM 383 Street Series Shortblock with GM Ramjet EFI system.

430 Horsepower and 430 ft. lbs. of torque on pump gas.

Engine includes these features-

  • GM Performance Ramjet EFI System
  • GM Vortec Bowtie cylinder heads
  • GM Seasoned 4 bolt main block
  • Align honed and square decked
  • Fully internally balanced rotating assembly
  • PRC 4340 forged steel crankshaft
  • 4340 Scat I-Beam rods
  • Clevite 77 rod and main bearings
  • Wiseco Pro-Tru reverse dome forged pistons
  • Plasma moly rings
  • Fully clearanced and assembled
  • GM LT4 Hot Cam Hydraulic roller camshaft

These engines come fully tested and dyno tuned, and are truly ready to run out of the box.

Engine features a 24,000 mile or 2 year limited warranty.

Call JR Motorsports for any questions you may have.

While supplies last!

*Corvette igniton shielding not included!

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