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JE Pistons Piston - 257944

Authorized Dealer
Brand: JE Pistons JE Pistons
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  • Part Number: 257944
  • Part Location: U.S.
  • Availability: *Special Order
  • Delivery: Up to 2 Weeks
  • If purchased before 12:00 EDT - estimated delivery by June 06
Retail: $1,466.84
Price: $1,396.99
You Save: $69.85
Bore Size (IN)
4.56 Inch
Dome Volume
-20 Cubic Centimeter
Engine Compatibility
Chevy Big Block V8 427-454 Cubic Inch
Piston Type
Dish Top
Quantity
Set Of 8
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JE Pistons Piston

Piston; For Use With Big Block Chevy 555 Engines; Forged; 4.560 Inch Bore; 4.250 Inch Stroke/ 6.385 Inch Rod Length; 1.270 Inch Compression Distance; Dish Top/ -20 CC Volume; 9.0:1 Compression Ratio With 110 CC Heads/ 8.6:1 Compression Ratio With 118 CC Heads/ 8.3:1 Compression Ratio With 124 CC Heads; 597 Grams; Set Of 8 Pistons

MPN: 257944

These big block pistons are compatible with forced induction, nitrous and angle milled heads. The inverted dome shape has been designed for maximum efficiency and horsepower. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Compression Height figured using 9.780 block Height with zero deck clearance. Will fit both open and closed chamber cylinder heads.
Engine Compatibility: Chevy Big Block V8 427-454 Cubic Inch
Piston Type: Dish Top
Dome Volume: -20 Cubic Centimeter
Compression Ratio: 9.0:1 With 110 CC Heads/ 8.6:1 With 118 CC Heads/ 8.3:1 With 124 CC Heads
Bore Size (IN): 4.56 Inch
Quantity: Set Of 8

Features

  • Compatible With Forced Induction, Nitrous And Angle Milled Heads
  • Inverted Dome Shape Has Been Designed For Maximum Efficiency And Horsepower
  • Precision CNC Machined Ring Grooves
  • Will Fit Both Open And Closed Chamber Cylinder Heads
  • Limited 90 Day Warranty
Specifications of JE Pistons Piston - 257944
Bore Size (IN) 4.56 Inch
Dome Volume -20 Cubic Centimeter
Engine Compatibility Chevy Big Block V8 427-454 Cubic Inch
Piston Type Dish Top
Quantity Set Of 8

1900 Chevrolet Big Block 1965-1990 Gen IV

1900 Chevrolet Big Block 1991-1995 Gen V

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