Ultrastreet High Performance Street Engines

Available Now!

Our Popular 427 Ford Is Now Available In Short block Form! Different Compression Ratios Are Available - Look At The Following Chart And Let Us Know What Heads You Are Using And We'll Do The Rest!

  • Bore & Stroke
  • Compression Ratio
  • 4.125 x 4.000
  • Your Choice
Nominal CR58cc62cc66cc72cc
Flat Top Piston12.712.111.610.7
Dished Piston10.29.79.59.0
Compression Ratio Computed With An .041" Gasket

Camshaft Installation Package add $595 Includes: UltraStreet Steel Billet Hydraulic Roller Cam (Custom Ground For 4.000" Stroke) • Cloyes Roller Timing Set • Camshaft Installed, Degreed-In And Checked For Proper Stroker Clearance.
525HP, 565HP or 615HP Cam - Your Choice!

Supply and Install 2 Piece Fuel Pump Eccentric. Add $35

Deluxe Shortblock Version add $1600 Includes: UltraStreet Steel Billet Hydraulic Roller Cam (Custom Ground For 4.000" Stroke) • Cloyes Roller Timing Set w/2 Piece Fuel Pump Eccentric • OEM Style Front Cover • Tavia Billet Pointer • Hi-Performance Balancer • Canton Street & Strip Oil Pan(1) • Melling HP Oil Pump w/Pickup • Completely Assembled With TDC Verified And Set.

(1) Specify Front or Rear Sump

525HP, 565HP or 615HP Cam - Your Choice!

Accessories:
Gasket Assembly Set Includes: FelPro Head Gaskets • FelPro Intake Set • FelPro Timing Cover Gasket • FelPro Front Cover Seal • Milodon One Piece Oil Pan Gasket • Moroso Valve Cover Gaskets. $ 219
ARP Head Bolt & Washer Kit $ 79
Hi-Rev High Performance Hydraulic Roller Lifters (Set of 16) $ 175