JE Pistons

257978

JE Pistons (257978) 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 Flat Top; Set of 8 Pistons; Recommended Ring Set: J100S8-4560-5 Bore: 4.56 Comp Ratio @ 110cc: 10.2:1 Oversize: 0.094 Comp Height: 1.52 Rod: 6.135 Dome Volume: -3 Comp Ratio @ 124cc: 9.3:1 Block Height: 9.78 Gram Weight: 686 Stroke: 4.25 CID: 555 Comp Ratio @ 118cc: 9.7:1

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