Vulcanworks

Stock Replacement For 1991-92 Evo Sportster Harley Davidsons
530 Chain
Also used when converting belt drive to chain on 1991-2005 XLs
HD # 37709-89

Stock Replacement For 1986 FXR
530 Chain
 

Adapts 1970-2005 Inner Primary Covers to 2006-up T/C-96” ‘A’ Motors

Made from Billet Aluminum.

This beefed up support will eliminate flexing when using high lift cams & stiff valve springs.

Set of Top & Bottom Breather Gaskets for Both Heads
Set of Umbrella Valves & Micro-pore Breathers for both heads

Fits our Breather Valves
Also Stock replacement for 1999-02 Twin cams.
63815-99
17591-99
17592-99
26858-99

Used in Motor to Transmission Mounting & Between Left and Right Cases

All 1999-up Twin Cams
Set includes 2 Dowels

Parts for 3757

Machined with extra clearance for high lift cams
Matches our cam cover & rocker box set

Billet Aluminum & Chrome Plated

Includes Stainless Steel Hardware

Includes bolts & Washers for one motor

Breather housings are precisely machined from 6061 billet aluminum for a leak proof seal.

Includes Viton Coated Steel Gaskets, Umbrellas, Micro-Pore Oil Seperators & Grade 8 Bolts

This unit won't suck in oil as O.E.M. units do.

For all 1999-17 Harley Twin Cams

Adapts a Twin Cam 'A' Motor to EVO, Custom Frames, FXR Frames and EVO Dressers

Milled from 1018 CF Steel
Not Stamped!

Made from high strength stainless steel.
Will never rust or break
Accurate reproduction of the stock item.

Sold in pairs(2)
Includes Grade 8 bolts for inside your fender.

Fitment:
1987-Up FXR
1988-1990 FLT