JE Pistons 207419 JE Pistons; Flat Top; For Dart/SVO Big Bore Block; Oil Rail Support is Included; .927 Pin Diameter; Set of 8 Pistons; Recommended RingSet: J100F8-4125-5
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:
- Block Height: 9.488 / 9.475 / 9.5
- CID: 411 / 414 / 427 / 401 / 406
- Comp Ratio @ 56cc: 13.1:1 / 12.8:1 / 13.5:1 / 12.7:1 / 13:1
- Comp Ratio @ 60cc: 12.4:1 / 12.5:1 / 12:1 / 12.8:1 / 12.2:1
- Stroke: 4 / 3.85 / 3.8 / 3.875 / 3.75
- Comp Height: 1.35
- Comp Ratio @ 64cc: 11.9:1 / 11.5:1 / 11.6:1 / 12.2:1 / 11.8:1
- Dome Volume: -5
- Oversize: STD
- Bore: 4.125
- Rod: 6.125 / 6.25 / 6.2
- Gram Weight: 497
Fitments:
- Ford 351 Small Block (1969-1997)