JE Pistons 194910 JE Pistons; 18deg Dome; Pro Mod Style; Oil Rail Support is Included; Made to Order; Set of 8 Pistons; Recommended RingSet: J860H8-4610-5
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: 1.28
- Comp Ratio @ 97cc: 13.2:1
- Gram Weight: 665
- Block Height: 9.79
- Comp Ratio @ 87cc: 14.6:1
- Dome Volume: 13
- Rod: 6.385
- CID: 568
- Stroke: 4.25
- Comp Ratio @ 82cc: 15.4:1
- Bore: 4.61
- Oversize: 0.144
Fitments:
- Chevrolet 454 Big Block (1970-2000)
- Chevrolet 427 Big Block (1966-1969)
- Chevrolet 502 Big Block (1985-2010)