Home » Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc
Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc
Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc
Speed Pro

Speed Pro Speed Pro Piston Forged 4.390" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 1.2 cc

In stock
SKU: SEAL2366F30
Piston, Speed Pro, Forged, 4.390 in Bore, 5/64 x 5/64 x 3/16 in Ring Grooves, Minus 1.50 cc, Coated Skirt, Big Block Ford, Set of 8

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$572.97
Sale $1,855.92 $572.97
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  • Fully updated skirt profiles
  • Exclusive DUROSHIELD skirt coating. DUROSHIELD provides scuff resistance, reduced bore clearances and enhanced ring sealing.
  • SPEED-PRO POWERFORGED pistons are built to stringent specifications with a precision CNC-machined dome and skirts and microfinished ring grooves.
  • The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt sizes are matched to within 0.016mm (0.0006") per set.
  • Machined valve reliefs and circlip grooves; LR-63 lock rings for floated applications

    From pistons to engine bearing components, Speed-Pro® offers an array of performance engine parts. You can rely on Speed-Pro for industry leading performance engine technologies, from cutting edge Digital Diamond Profiled™ pistons to A-Series® bearings. They are engine components performance enthusiasts and racers can trust. By relying on Speed-Pro, you can find the perfect performance engine components based on design, material and manufacturing process, machined dimensions and the availability of friction-reducing coatings. The key is having all the right technologies and advantages of global engineering under one brand: Speed-Pro. Whether you are running at the track or on the strip, or cruisin' down the road, Speed-Pro engine parts are engineered to make the engine rebuild easier and boost horsepower.

    Product Descripton:

  • Piston
  • Speed Pro
  • Forged
  • 4.390 in Bore
  • 5/64 x 5/64 x 3/16 in Ring Grooves
  • Minus 1.50 cc
  • Coated Skirt
  • Big Block Ford
  • Set of 8
    •