Engine

JE Pistons 370243 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370244 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370245 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370246 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370247 - Piston Kit - Milwaukee Eight

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370248 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370249 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370250 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370251 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

JE Pistons 370252 - Piston Kit - M8

FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance longevityHigh 11.0:1 compression ratio for improved performanceAccumulator groove provides additional...

Jims 1807 - Hydraulic Tappet - Twin Cam

Powerglide II Hydraulic Tappets These tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacities Billet body Increased roller width Roller perpendicularity held to .0002" Hand-honed hydraulic unit...

Jims 1810 - Powerglide II Tappet - .005 - Twin Cam

Powerglide II Hydraulic Tappets These tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacities Billet body Increased roller width Roller perpendicularity held to .0002" Hand-honed hydraulic unit...

Jims 1820 - Hydrosolid Tappet - Twin Cam

Hydrosolid Tappets Perform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappet When they turn into solid tappets, it adds approximately three to six more usable horsepower Prevent hydraulic pump at high rpms Made in the U.S.A. ...

Jims 1827 - Powerglide Tappet - Standard - Twin Cam

Powerglide™ Steady Roll Tappets The same Powerglide advantage (oil-fed axle, billet steel body, precision fit hydraulics), but now incorporates a Steady Roll bronze bushing in place of the needle bearing roller These tappets have undergone extensive...

Jims 1905 - Piston Oiling Jet Kit

Piston Oiling Jet Kit Modified to handle upgraded stroker flywheels stroke Works with all stock and high-performance flywheel assemblies Made in the U.S.A.

Jims 5401 - Forceflow Cylinder Head Cooler Kit - Black - Twin Cam Touring

Forceflow Cylinder Head Cooler Kit Includes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructions Easy plug-and-play installation with no drilling At...

Jims 5457 - Forceflow Cooler Mount - 110 CVO

Forceflow Cylinder Head Cooler Mount 110" motors require optional adapter mount (available separately) Made in the U.S.A.

Jims 5462 - Forceflow Cylinder Head Cooler Kit - Chrome - Twin Cam Touring

Forceflow Cylinder Head Cooler Kit Includes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructions Easy plug-and-play installation with no drilling At...

Jims 5468 - Forceflow Cylinder Head Cooler Kit - Black - M8 Touring

Forceflow Cylinder Head Cooler Kit Includes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructions Easy plug-and-play installation with no drilling At...

Jims 5469 - Forceflow Cylinder Head Cooler Kit - Chrome - M8 Touring

Forceflow Cylinder Head Cooler Kit Includes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructions Easy plug-and-play installation with no drilling At...

Jims 5470 - Forceflow Cylinder Head Cooler Kit - Black - M8 Softail

Forceflow Cylinder Head Cooler Kit Includes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructions Easy plug-and-play installation with no drilling At...

Jims 5836 - Rocker Arm Shaft and Hardware Kit - M8

Rocker Shaft & Hardware Kit 4130 stud and nut kit replaces the stock hardware used to secure the rocker shafts Compared to a stock “bolt”, these JIMS manufactured studs allow the technician the assembly finesse required when torqueing the rocker arm...

Jims 5837 - Rocker Arm Shaft Kit - M8

Rocker Arm Shaft Kit In an effort to perfect Milwaukee-Eight® engine valve train geometry, while improving durability, JIMS® has developed performance rocker shafts and proprietary hardware The rocker arm shafts are precision machined from a low alloy...

Jims 6020 - Tappet Cover Kit - Black - M8

Low-Profile Billet Tappet Covers/Pushrod Cover Kit Made from 6061 billet aluminum Covers were designed to be installed with Twin Cam pushrod covers, they will not work with standard M-Eight pushrod covers JIMS tappet covers have a sleek new look and...