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roush 427 r stroker 550hp 535ft/lbs

  • New Dart Sportsman Block

  • 4340 Forged Crank and H beam rods

  • Roush CNC Ported Cylinder heads

  • Single Plane intake manifold

  • Roush Valve Cover

  • Hydraulic roller cam

  • New High Torque Started

  • Roush aluminum underdrive pulley system

  • Roush Spark Plug Wires

  • 1.6 Roller rockers

  • MSD Coil

  • Accelerator cable

  • MSD Billet Distributor

  • Roush Air cleaner

  • Braided Fuel Line

  • SFI approved billet steel flywheel

  • New Alternator 90 amp

  • Mechanical Fuel Pump

  • Powder coated 8-qt T style Oil Pan

  • 10.25:1 Compression

  • 870 Holly Street Avenger Carb

  • Hot Tested


  • Full Engine Polish $ T B D

  • Night Edition $ 1,200

  • Oil cooler  $ 1,200

Tremec tkx transmission


  • New Transmission

  • Steel Bellhousing

  • Internal Hydraulic Release Bearing

  • Dual Performance Clutch Kit



$ 31,000, this includes the installation of the above mentioned power train. These prices are subject to availability and may be changed at any time.

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov


Each R Series engine is hot tested, then dyno tested to verify power. All engines are shipped with documentation and carry a two year limited warranty.

This part is designed and intended for competition use or off-highway use only

Installation of this part on a vehicle driven on public roads and highways may violate U.S. laws and regulations relating to motor vehicle emissions.

base model

night edition

polished edition

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