The 427P is a pump gas engine that uses a hydraulic roller cam to generate 625 HP at 6200 RPM and 560+ ft/lbs of torque at 5000 RPM. This engine has a 4.125″ bore by 4.0″ stroke and has a compression ratio of 10.5:1. Turbocharged & supercharged versions are available.

We have literally built hundreds of these engines and shipped them worldwide from Australia to Russia and anywhere in between. Placed in vintage Mustangs, Cobra replicas, and late model Mustangs.





Parts List


• Dart 9.50 Deck Block Pro Machined • Felpro MLS or Cometic Head Gaskets
• Scat 4340 4.00 Steel Crankshaft-Internal Balanced • Pro Assembled
• Scat 4340 6.25 H Beam Connecting Rods • 1pc HD 3/8 Moly Pushrods
• Custom Bennett Spec Diamond Pistons • Bennett Spec Roller Rockers
• Calico Coated Clevite Bearings • Bennett Polished Valvecovers w/ Oil Fill Cap & Breathers
• Bennett Custom Grind Hydraulic Roller Camshaft • Canton or Moroso Oil Pan Kit
• Roller Timing Chain & Cam Degreed • Melling HD Oil Pump
• Bennett  CNC Ported Cylinder Heads • SFI Approved Harmonic Balancer
• Proprietary Hi Rev Dual Valve Springs • Edelbrock Super Victor Intake
• ARP Head Bolts • Break In Oil & Dyno Tested and Tuned
• MSD Distributor & Plug Wires • Bennett Spec HP Series Carburetor & Billet Spacer
• EFI Version includes FAST EFI System, Injectors,and Throttle Body


Additional options for this engines package

• EFI • Vacuum pump kit
• Blackout • Motor plate
• Custom polishing or powder coating of parts • Jesel or T& D shaft mount rockers
• Billet bracket kits for ps, a/c, and alternator • Individual runner-8 throttle body efi intake
• Nitrous systems


Need More Info?

Call us 1-800-240-RACE or Fill out the form below

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