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JE Pistons ::::: JE Pistons 258266 Dome Open Chamber Set of 8 Pistons

JE Pistons 258266 Dome Open Chamber Set of 8 Pistons

Price: $787.26

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JE Pistons 258266 JE Pistons; Dome; Open Chamber; Set of 8 Pistons; Recommended RingSet: J10008-4310-5

JE Pistons - Domestic: For over 60 years, JE Pistons has been the industry leader in forged racing pistons for Chevy, Ford, Mopar and Buick engines.

Features:

  • Application Specific Forgings for an Optimized, Uniform Crown Thickness
  • Contact Reduction Groove to Minimize Frictional Drag
  • Accumulator Groove for Increased Top Ring Stability and Sealing
  • CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
  • Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included

Specifications:

  • Comp Height: 1.52
  • Rod: 6.135
  • Stroke: 4.25
  • Dome Volume: 43
  • Oversize: 0.06
  • Block Height: 9.78
  • Comp Ratio @ 124cc: 12.2:1
  • Gram Weight: 641
  • CID: 496
  • Comp Ratio @ 118cc: 13:1
  • Comp Ratio @ 110cc: 14.3:1
  • Bore: 4.31

Fitments:

  • Chevrolet 454 Big Block (1970-2000)
  • Chevrolet 427 Big Block (1966-1969)
  • Chevrolet 502 Big Block Base (1985-2010)


  • Model: 258266
  • Shipping Weight: 17lbs
  • 3 Units in Stock
  • Manufactured by: JE Pistons