- JIS D 0203 (S2) standard specified

Thankfully

UV400 filters protect against harmful UV and blue light rays

Left & right ratcheting system

The Anti Vibration Module is 360° adjustable so you can adjust the orientation to your liking

james top end gasket kit for harley sportster xl 57 71 Fits:57-71 Sportster XL 900 - JIS D 0203 (S2)James Top End Gasket Kit for Harley Davidson Sportster XL 1957 1971 With 0. 045 PTFE coated head gaskets, 0. 030 paper cylinder base gaskets. Includes all other gaskets and seals required for an Ironhead top end rebuild. Fits: 57 71 Sportster XL 900cc models Replaces Harley Davidson OEM: 17030 57 All top end gasket kits include all gaskets and seals that are needed in a top end overhaul. Complete with cylinder head, base, rocker cover & pushrod