5/16-24 threaded stud

1/4" & 5/16" ID

STANDARD RATE SPRINGS

Fits: > 84-09 H-D WITH SINGLE DISC H/B M

Color coded and pre-attached wire ends

KB PERFORMANCE, 1340 SHOVEL FORGED PISTON KIT. +.020" Jeans 5/16-24 threaded studForged piston set. 9. 0: 1 CR with 112cc head. Piston weight 416gr. Piston pin weight 97gr. Piston pin dia. . 791" offset. Head type: Dome with 52. 7cc. Compression height 1. 285". Bore 3. 498". Stroke 4. 250". Rod length 7. 440". Cyl. length 5. 330". All KB forged pistons are made from 4032 alloy, a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level, after