JE Pistons 170850 JE Pistons; Dome; For Stroker Motor; Oil Rail Support is Included; .927 Pin Diameter; Set of 8 Pistons; Recommended RingSet: J10008-4030-5
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:
- Dome Volume: -26.5
- Gram Weight: 431
- Stroke: 3.25
- Comp Ratio @ 56cc: 8.4:1
- Oversize: 0.03
- Bore: 4.03
- Block Height: 8.2
- Comp Ratio @ 64cc: 7.8:1
- CID: 331
- Comp Height: 1.175
- Comp Ratio @ 60cc: 8.1:1
- Rod: 5.4
Fitments:
- Ford 302 Small Block (1968-2001)