For over 60 years, the industry leader in forged racing pistons has been JE Pistons for Chevy, Ford, Mopar, and Buick engines.
Application specific forgings optimize uniform crown thickness.
A contact reduction groove minimizes frictional drag.
An accumulator groove increases top ring stability and sealing.
CNC-machined side relief features a lower support band for additional skirt strength.
Honed pin bores, double pressure fed pin oilers, and wire locks are included.
Flat top design is for Dart/SVO big bore block.
Oil rail support is included with a .927 pin diameter.
This set includes 8 pistons.
Recommended ring set is J100F8-4125-5.
Comp ratio at 60cc is 12.2:1.
Comp ratio at 64cc is 12.2:1.
Rod length is 6.25 inches with a block height of 9.5 inches.
Comp ratio at 56cc is 13:1 with a rod length of 6.2 inches.
Stroke is 3.75 inches.
Comp ratio at 56cc is 12.7:1.
Gram weight is 497.
Comp ratio at 60cc is 12:1.
Comp ratio at 64cc is 11.5:1 and 11.6:1.
Stroke is 3.85 inches with a CID of 414.
Comp height is 1.35 inches.
Comp ratio at 60cc is 12.5:1.
Comp ratio at 64cc is 11.9:1.
Dome volume is -5.
Oversize is STD.
Block height is 9.488 inches with a CID of 411.
Comp ratio at 56cc is 13.1:1.
Comp ratio at 60cc is 12.4:1.
Stroke is 4 inches with a bore of 4.125 inches.
CID is 427 with a comp ratio at 56cc of 12.8:1 and 13.5:1.
Comp ratio at 60cc is 12.8:1.
Rod length is 6.125 inches with a stroke of 3.8 inches.
Block height is 9.475 inches with a CID of 401 and 406.
Comp ratio at 64cc is 11.8:1.
Stroke is 3.875 inches.
