Inner Camshaft Bearing. Fits Big Twin 1958-1999.
$35Features & Benefits:-* Needle Bearing.* Full Compliment Cam Bearing.* Sold Each* Replaces OEM # 9058Proudly Made in the USA
Showing 313–324 of 1008 results
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Left Hand Sprocket Shaft Crank Case Timken Bearing Kit. Fits Big Twin 1969-2002.
$172Features & Benefits:-* Genuine Timken Bearing.* Left Hand Crank Case Bearing.* Replaces OEM # 9028Proudly Made in the USA!
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Rocker Box / Cylinder Head Breathers. Fits Twin Cam 1999-2017.
$357Features & Benefits:-* Optimises Engine Breathing on Twin Cam Engines* Properly sized breather holes provide enhanced breather performance* Machined from billet 6061 aluminium with square surfaces promoting excellent gasket and breather system sealing. * Includes billet breather housings, gaskets, breather filter elements, umbrella valves and ARP hardware. * Replaces OEM # 17025-03A* MADE IN THE…
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Rocker Box / Cylinder Head Breathers. Fits Milwaukee-Eight 2017up.
$857Features & Benefits:-* Machined from billet 6061 aluminum with square surfaces, promoting excellent umbrella valve sealing, longer main breather exit nipples with dual O-rings to promote better breather system sealing. * Properly sized breather inlets and location for optimum engine breathing. * Unique design maximizes breather volume and allows for easy serviceability. * Breather bodies…
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Standard Steel Rotary Breather Gear Kit with Shims. Fits Big Twin Late 1977-1999.
$295Features & Benefits:-* Direct Standard size replacment for OEM Plastic Breather Gear* Better dimensional stability than plastic gears, especially at high temperatures.* High Evacuation.* Welded-in screen & larger diameter holes, provide improved air flow & oil scavenging from the flywheel cavity. * Kit Includes Spacing ShimsTech Tips:-* Also available in +.030in. oversize for repair jobs…
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+.030in. Steel Rotary Breather Gear Kit with Shims. Fits Big Twin Late 1977-1999.
$400Features & Benefits:-* Direct Standard size replacment for OEM Plastic Breather gear.* Better dimensional stability than plastic gears, especially at high temperatures.* High Evacuation.* Welded-in screen & larger diameter holes, provide improved air flow & oil scavenging from the flywheel cavity. * Kit Includes Spacing Shims.Tech Tips:-* Also available in +.030in. oversize for repair jobs…
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Standard Steel Rotary Breather Gear Kit with Shims. Fits Big Twin 1948-Early 1977.
$292Features & Benefits:-* Direct Standard size replacment for OEM Plastic Breather gear.* Better dimensional stability than plastic gears, especially at high temperatures.* High Evacuation.* Welded-in screen & larger diameter holes, provide improved air flow & oil scavenging from the flywheel cavity. * Kit Includes Spacing Shims.Tech Tips:-* Also available in +.030in. oversize for repair jobs…
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1200cc Big Bore Kit – Wrinkle Black. Fits Sportster 1986-2021 with 883cc Engine.
$1,903Features & Benefits:-* Will Not Fit XR1200* Includes Black Cylinders.* Includes MLS Head Gaskets, Base Gaskets & Exhaust Gaskets. * Includes Assembly lube & Instructions.* No machining & No re-balancing.* No cylinder head modifications.* The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads.Tech Tip:-* For the best performance CNC…
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110ci Big Bore Kit – Black. Fits Twin Cam 2007-2017
$2,537Features & Benefits:-* Upgrades Twin Cam 96ci & 103ci to 110ci.* Cast Ductile Iron Liner; Increases Thermal Conductivity, Aids in Heat dissipation & Improves Ring Seal.* Includes 8.75cc pop up Dome Forged Pistons.* Includes 0.045in. Head Gaskets.* 4.000in. Bore with 4.375in. Stroke (4-3/8in.) = 110ci* 10.5:1 Compression Ratio with Stock 85cc Heads.* 10.3:1 Compression Ratio…
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107ci Big Bore Kit – Black. Fits Twin Cam 2007-2017.
$2,138Features & Benefits:-* Includes 3cc Dome Forged Pistons.* Includes 0.045in. Head Gaskets.* 3.937in. Bore. * 4-3/8in. Stroke.* 10.5:1 Compression Ratio with Stock 85cc Heads.* 10.1:1 Compression Ratio with S&S 89cc Heads # SS106-3240.Suggested Additional Purchase:Dual spray piston cooling jet kit # SS310-1251Tech Tips:-* Use Care during assembly to avoid damage to Cylinder Spigots.* Ring gaps…
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132ci Big Bore Kit with Highlighted Fins – Black Granite. Fits CVO Milwaukee-Eight 2017up with 117ci Engine.
$2,700Features & Benefits:-* Upgrades Milwaukee-Eight 117ci CVO models to 132ci * 4.320in. Bore* 4.500in. Stroke (4-1/2in.)* Forged Pistons.* 11.1 Compression Ratio.* Black Granite Finish With Highlighted Fins.* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.* Includes Cam Cover BadgeSuggested Additional Purchase:Dual spray piston cooling jet kit # SS310-1203Tech Tips:-* Use Care during assembly…
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136ci Stroker Big Bore Kit with Non-Highlighted Fins – Black. Fits Milwaukee-Eight 2017up with S&S 4-5/8in. Stroker Flywheel.
$2,753S&S has been building big bore kits since the 60s and has it down to an absolute science. Our latest efforts are aimed at the Milwaukee Eight® platform and open up a whole new level of performance for these engines. Combining a new design forged piston with their 4.320in. cylinders to net a tire melting…