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Durable Big Bore upgrade with premium aluminum cylinders and cast-in iron liners. Kit includes pistons, rings and gaskets. Made in the USA. Requires skilled installation.
Cylinders with a stock bolt pattern, bored slightly under nominal size and left un-honed; designed for 124" hot set up kits and '99-'17 Twin Cams. Requires crankcase machining.
Complete cylinder and piston replacement kit for 80" Shovelhead engines that preserves stock compression; includes pistons, cylinders, rings, gaskets and mounting hardware. Made in USA.
Complete big-bore cylinder and piston kit with forged pistons, gaskets, and hardware; ideal for stroker engine builds. Made in the U.S.A.
Longer-thread turn signal stalks for proper OEM turn signal installation. Made in the U.S.A.
Bolt-in big bore kit with cast ductile iron sleeves for improved heat transfer. Complete kit includes cylinders, forged pistons, rings, pins, clips and gaskets. Not for use with S&S 79cc heads.
One-piece die-cast cover fits over the headbolt area and spark plug base for a clean, finished look.
Designed to replace multiple individual covers and accent the finned head detail.
Cylinders finished undersized for finish-hone fitting.
OEM black texture powder-coat with highlighted fins.
Stock replacement for straightforward installation.
Premium top-end gasket kit. Made in the USA. Rocker box gaskets sold separately.
Complete top-end gasket kit with head, base and exhaust gaskets plus O-rings. Made in the U.S.A. Rocker box gaskets sold separately.
Four-color display for gaskets, seals and O-rings; includes hooks and clamshells. Gaskets, seals and O-rings sold separately.
- Reduces oil carryover at high rpm
- 53mm rotors for maximum performance
- Significant gains over OEM TC88 and TC96 pumps
- Die-cast aluminum body and durable gears
- Fits stock and aftermarket cam support plates; not compatible with Screaming Eagle
High-quality replacement cast-aluminum pump body with steel gears and shaft. Raw cast aluminum finish. Gaskets and seals included; mounting hardware sold separately.
 
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