Spring data: Seat pressure - 75lbs @ 36.50mm Open (lift) pressure - 155lbs @ 10.00mm Spring coil bind - 23.20mm Max lift - 12mm Rate - 8 lbs./mm Wide end spring outer diameter - 24.40mm Wide end spring inner diameter - 17.60mm Narrow end spring outer diameter - 21.00mm Narrow end spring inner diameter - 14.30mm
JE's patented Perfect Skirt coating makes piston slap, false knock, and cold-start wear a thing of the past. For the first time ever, 2618-alloy pistons can be installed with piston-to-wall clearances near that of an OEM piston!