Valve covers

Rocker cover, upper. Chrome

Chrome plated aluminum. OEM style replacement part for Evolution Big Twin rocker covers. Fits front and rear cylinder head. OEM...

M8 Rocker box cover set. Chrome

OEM style replacement chrome plated rocker covers. Manufactured from forged aluminum. OEM replacement reference 25700409 (chrome), 25700520 (black)

M8 tappet block cover set. Black

Black powder coated aluminum. Incl. gasket set. Direct replacement for OEM M8 tappet blocks. Replacement for OEM 25700890.

M8 tappet block cover set. Chrome

Chrome plated aluminum. Incl. gasket set. Direct replacement reproduction style for OEM M8 tappet blocks. OEM replacement reference 25700410 (front)...

Complete M8 pushrod cover kit. Black

Satin black finish. Complete OEM style replacement pushrod cover kits with everything included for a hassle-free installation.

Complete M8 pushrod cover kit. Chrome

Complete OEM style replacement pushrod cover kits with everything included for a hassle-free installation.

Spring, check valve

Evo Sportster rocker cover set (1 cyl.). Black

Black finish. OEM style rocker covers. Complete set for one cylinder head. Includes gaskets. Hardware is not included. Note: Rocker...

Evo Sportster rocker cover set (1 cyl.). Polished

Polished finish. OEM style rocker cover. Complete set for one cylinder head. Includes gaskets. Hardware is not included. Note: Rocker...

Twin Cam rocker cover kit, OEM style. Chrome

Chrome plated. Complete kit for 2 cylinders. OEM style replacement for 17572-99 upper & 17573-99 lower covers.

Valve key set

OEM style replacement valve keepers. Sold in set of 8 to service one engine. Repl. 18228-30.

Valve key set

OEM style replacement valve keepers. Sold in set of 8 to service one engine. Repl. 18228-36.

Twin Cam rocker cover kit, custom style

Chrome plated. Custom style 2-piece die-cast aluminum imported rocker box kit, incl. gasket set. Compatible with OEM style gaskets.

Evo B.T. rocker cover kit (1 cyl.). Chrome

Chrome plated aluminum. Complete rockerbox set for one cylinder head. With breather passages and umbrella valves for late model head...

Evo rocker covers set, custom style. Chrome

Die-cast custom aluminum rocker box set with a chrome plated finish. The chrome plated center rocker arm carrier is precision...

Upper valve spring collar set. steel. std

OEM style replacement steel top collars for use in OEM applications. USA made. Repl. 18219-83A.

Panhead rocker cover set. Chrome

Chrome plated steel. OEM style reproduction. Repl. 17500-48.

Rocker box stud kit for 1 cylinder head. Zinc

Zinc plated. Complete kit to replace all studs in 1 cylinder head of 66-84 Shovel models. Kit includes 1 motor...

Sprocket shaft, L81-E85 Big Twin

OEM style replacement. Fits L81-85 OEM (without keyway). Sprocket shaft does not have a keyway. Taper is 6°. Shaft is...

Starter ring gear

66 teeth

Sprocket shaft spacer

Note: Use 978321 JIMS or 979425 George's Garage tool to install the sprocket shaft seal correctly and without damage.

Breather tube, crankcase XL

Dual breather kit, short canister

Chromed aluminum. Fits Evo, Twin Cam and M8 Big Twin models with head vents. Comes with two pairs of, 1/2-13...

Lower valve spring collar set. steel. std

OEM style replacement steel lower collars for use in OEM applications. USA made. Repl. 18220-57.