JE Pistons 170671 JE Pistons; 18deg Dome; For Big Chief/Duke/Victor Head; Oil Rail Support is Included; Set of 8 Pistons; Recommended RingSet: J20008-4530-5
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 Ratio @ 82cc: 15.1:1
- Block Height: 9.78
- Bore: 4.53
- Dome Volume: 13
- Stroke: 4.25
- Comp Ratio @ 97cc: 12.9:1
- Comp Height: 1.27
- Rod: 6.385
- CID: 548
- Gram Weight: 593
- Comp Ratio @ 87cc: 14.2:1
- Oversize: 0.064
Fitments:
- CHEVROLET 454 BIG BLOCK (1970-2000)
- CHEVROLET 427 BIG BLOCK (1966-1969)
- CHEVROLET 502 BIG BLOCK BASE (1985-2010)
This product was added to our catalog on Thursday 11 June, 2015.