JE Pistons

257949

JE Pistons (257949) Piston for Big Block Chevy, Set of 8

Forged

1966-1969 > Chevrolet > All Models > V8 7.0L > 427 BIG BLOCK; BASE
1970-2000 > Chevrolet > All Models > V8 7.4L > 454 BIG BLOCK; BASE
1985-2010 > Chevrolet > All Models > V8 8.2L > 502 BIG BLOCK; BASE
** NOTE : PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC

For over 60 years JE Pistons has been the industry leader in forged racing pistons for Chevy Ford Mopar and Buick engines. 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 Inverted Dome; Oil Rail Support is Included; Set of 8 Pistons; Recommended Ring Set: J100S8-4560-5 Stroke: 4 Comp Ratio @ 110cc: 8.2:1 Dome Volume: -28 Comp Ratio @ 124cc: 7.5:1 Comp Ratio @ 118cc: 7.8:1 Rod: 6.385 Block Height: 9.78 CID: 523 Gram Weight: 610 Oversize: 0.094 Bore: 4.56 Comp Height: 1.395

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