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Engine Modifications

Short Block
With years of experience we have designed, tested, and PROVEN our engine combinations to be the BEST! Every Underground Racing engine is professionally blue printed, torque plated, line bored, honed, assembled and inspected by highly experienced technicians.

Are you in a RUSH? We stock completed short blocks ready for shipping.


Types of Available Engine Parts
  • Basic Rebuilds
  • High Performance Naturally Aspirated
  • Supercharged
  • Turbocharged
  • Nitrous

  • Basic Components
  • CP Race Pistons
  • High Performance Rings
  • Oliver Rods
  • CP Upgraded Wrist Pins
  • CP Upgraded Spiral Locks
  • CP Oil Rail Support
  • Custom Coated Race Main Bearings
  • Custom Coated Race Rod Bearings
  • Custom Camshaft for your application
  • Crank: Billet or Custom Offset Ground Billet Main Caps
  • Upgraded Billet Harmonic Balancer
  • ARP Head Studs
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