JE Pistons 281797 JE Pistons; Dome; For All Pro 13deg/GB2000 Heads; Solid Dome Design; Set of 8 Pistons; Recommended RingSet: J75008 -4125-5
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:
- Gram Weight: 473
- Rod: 5.85
- Stroke: 3.8
- Comp Height: 1.25
- Comp Ratio @ 58cc: 16.4:1
- Comp Ratio @ 76cc: 14:1
- Block Height: 9
- CID: 406
- Bore: 4.125
- Comp Ratio @ 64cc: 15.1:1
- Dome Volume: -4.5
- Oversize: STD
Fitments:
- Chevrolet 400 Small Block (1970-1980)