JIMS, 57-85 Sportster billet tappet block. Polished

57-85 XL (NU)

Polished. Precision machined from a 7075-T651 billet aluminum bar, which is an extremely strong aluminum alloy. Comes with helical style oil grooves that improve lubrication. This is an improved version of the OEM 16607-57B tappet guide. Note: 4 required for one engine.