JIMS

These tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacitiesBillet bodyIncreased roller widthRoller perpendicularity held to .0002"Hand-honed...

Perform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappetWhen they turn into solid tappets, it adds approximately three to six more usable horsepowerPrevent hydraulic pump at high...

Perform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappetWhen they turn into solid tappets, it adds approximately three to six more usable horsepowerPrevent hydraulic pump at high...

Oil Pump Component for Big Twin models

Oil pump increases horsepower by decreasing drag on the flywheels and other rotating partsCNC-machined to exact tolerances for the most durable, strong and wear-resistant performanceFeed and return...

Fits most cam coversMade in the U.S.A.

Fits most cam coversMade in the U.S.A.

Jims Piston Tester Jet - M8 730

Top-quality replacement shaft precision-ground to tight tolerancesMade in the U.S.A.

Includes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructionsEasy plug-and-play installation...

Includes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override switch, wiring, hardware and complete instructionsEasy plug-and-play installation...

Machined from solid bronze bar stockHold concentricity to less than .0002"Lead-in edge for easy installationMade in the U.S.A.