Engine

Required when converting from stock H-D oil filter adapters to higher-flowing Jagg oil filter adapters. Background: When removing a stock H-D oil ...

NAMZ Accessory Electrical Power Connection for navigation, audio, tachometers, oil pressure gauges and heated grips.

Upgrade the oil cooler area on your Harley-Davidson® Softail with the Oil Cooler Guard, designed to add a custom touch while offering added protect...

Upgrade the oil cooler area on your Harley-Davidson® Softail with the Oil Cooler Guard, designed to add a custom touch while offering added protect...

Note: Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up Upgrade the oil cooler area on your Harley-Davidson® Softail ...

Note: Does not fit CVO Touring Models 2023up or Street Glide & Road Glide 2024up Upgrade the oil cooler area on your Harley-Davidson® Softail ...

Features & Benefits:- * Cold weather cover with magnets recommended below 16 degrees celsius sold to allow the engine to get to proper operatin...

Features & Benefits:- This harness provides battery power, ignition/accessory power and ground connection from the three pin Molex P&A acce...

It’s common knowledge that heat is one of an engine’s worst enemies. In developing the JIMS cylinder head cooler, JIMS had to sacrifice a few motor...

The Jagg #4702 Offset Oil Filter Adapter with Viscosity-Regulated By-pass installs between the engine and oil filter for quick and easy installatio...

Built for reliable performance and easy installation, the Jagg part # 4501 oil filter adapter allows for easy access to the oil supply while mainta...

Built for reliable performance and easy installation, the Jagg part # 4500 oil filter adapter features ProLine swivel fittings for easy oil plumbin...

Features & Benefits:- This harness provides battery power, ignition/accessory power and ground connection from the eight-way Molex P&A acce...

Features & Benefits:- This harness is designed to provide battery power, ignition/accessory power, and ground connection from the 6 pin Digital...

Features & Benefits:- Allows two switched 12 VDC and ground connections to accessories. The two accessories can then be turned ON and OFF simul...

Features & Benefits:- * Cold weather cover with magnets recommended below 16 degrees celsius sold to allow the engine to get to proper operatin...

Features & Benefits: * Polished Finish * For all shovelheads 1966-1984. * Includes two rocker cover stud spacers for both the 1966-1981 (short ...

Features & Benefits: Features & Benefits:- * S&S solid lifter conversion kit with adjustable pushrods for 1966-’84 HD Shovelhead engine...

Product Details * 0.625″ Thick Gasket. Proudly Made in the USA by S&S Cycle !

Features & Benefits: * Replaces OEM # 67130-69

Product Details Features & Benefits: ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped ...

Product Details ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcyc...

Product Details Features & Benefits: Note: Trike Models an updated firmware file prior to installation (Due to traction control / RDR...

Product Details Features & Benefits: ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped ...

Product Details Features & Benefits: Does not fit 2019-2020 Trike Models (Due to traction control / RDRS) 2018 Model Trike should not...

Product Details * Bolt on 40-50% more power for stock 107″, 114″ and 117″ M8 applications * Garrett internals with Trask compressor and t...

Product Details Features & Benefits: * 107ci to 129ci Big Bore Kit (4.320″ Bore) * Fits Oil Cooled Models. * Chain Drive Cam & Fo...

Product Details Features & Benefits: * Sold as a Kit. Tech Tips:- * S&S Crankshaft requires 2 Keys # JM-2480K. * 1977-1989 OEM Cr...

Product Details Features & Benefits: An S&S 96″ 3-5/8″ Sidewinder big bore stroker kit is an economical route to a larger displac...

Product Details Features & Benefits: * Upgrades Milwaukee-Eight 117ci CVO models to 132ci * 4.320″ Bore * 4.500″ Stroke (4-1/2″) * Fo...

Product Details Features & Benefits: * Upgrades Twin Cam 96ci & 103ci to 110ci. * Cast Ductile Iron Liner; Increases Thermal Cond...

Product Details * Upgrades Twin Cam 96ci & 103ci to 110ci. * Cast Ductile Iron Liner; Increases Thermal Conductivity, Aids in Heat di...

Product Details Features & Benefits: * Will Not Fit XR1200 * Includes Black Cylinders. * Includes MLS Head Gaskets, Base Gaskets &...

Rollies Protorque 1.4 Kw High Torque Starter Motor * Guaranteed to Meet or Exceed OEM Performance * Starter Motor Contains; Protorque High Performa...

Features & Benefits: * Easy installation; longer duration for modified street engines with hydraulic lifters and 9.0:1 or higher compression ra...