Moonshine Horsepower

Baker GrudgeBox, Black Door,  The GrudgeBox is a tough overdrive 6-speed to replace your stock 6-speed! The GrudgeBox was engineered with a focus o...

* Currently out of stock The Man O-War motorsprocket is the 1st performance engineered primary motor sprocket that replaces the OEM Compensator on ...

465 CAM - The 465 Reaper is an accelerator, producing solid bottom end performance with substantial gains above 2,800 RPM when compared to stock. T...

This is the camshaft we run in our Moonshine Horsepower 131 Torque Eater Setup. It is our go to choice for 124 -131 cubic inch M8 engines with high...

Designed with strength in mind, with over double the strength of the factory & or our competitors shafts. Precision ground from 4140HT steel, g...

Designed with strength in mind, with over double the strength of the factory & or our competitors shafts. Precision ground from 4140HT steel, g...

FEULING RACE SERIES SHORT travel hydraulic lifters, M-EIGHT enginesNew revolutionary design with 0.115 of total travel vs. a full travel lifter wit...

Large 5-Hole Derby Cover. Fits '16 – Current Baggers, 15 FLHTCU/FLHTKL Moonshine Horsepower Derby Cover with Moonshine HP Clean Design in Gloss Black.

Back In stock! Large 5-Hole Derby Cover. Fits '16 – Current Baggers, 15 FLHTCU/FLHTKL Moonshine Horsepower Derby Cover with Stock Motors Suck Desig...

Fit M8 S&S Sheath Air Cleaner Kits.

This direct bolt-on replacement slave cylinder reduces the clutch lever pull on Harley-Davidson® Milwaukee-Eight® and Twin-Cam models by the maximu...

MHP "I Eat Ass" Hat Moonshine Horsepower Hat "I Eat Ass" 

We have worked closely with Kraus Motor Co. to bring you a Road Glide handle bar mounted gauge bezel that give the rider 100% visibility of the fac...

We have worked closely with Kraus Motor Co. to bring you a Road Glide handle bar mounted gauge bezel that give the rider 100% visibility of the fac...

We have worked closely with Kraus Motor Co. to bring you a Road Glide handle bar mounted gauge bezel that give the rider 100% visibility of the fac...

MHP Helmet Design 100% Cotton Size Large in Photo

PART NUMBER - MHP-2003 MHP Monster Intake Manifold for 70mm HPI Throttle Body *ONLY WORKS WITH HORSEPOWER INC. 70mm Throttle Body.  *ONLY COMPATIBL...

MHP Skull and Piston Design 100% Cotton

MHP Snake Design 100% Cotton New Arrival!

MHP Virgin Mary Design 100% Cotton New arrival!

Part Number: MHP-S485 WORKS WITH STOCK M8 VALVE SPRINGS THE QUICK INTAKE CLOSE GENERATES LOW END TORQUE MID RANGE EXHAUST LOBE GENERATES THE PEAK ...

MHP 66mm CNC ported Intake Manifold is designed to maximize air velocity for ported M8 heads. Accepts Harley-Davidson M8 64mm Throttle Body. We run...

The MHP Comp Of Power is recommended for M8 engines producing 120 plus foot pounds of torque.  Fitment: 2017 and newer Milwaukee Eight equipped Har...

Moonshine Horsepower Mason Jar Brand New Item! Enjoy your beverage in our glass 16oz Moonshine Horsepower Mason Jar! Limited quantities...

HD 044 is our fully adjustable premium choice for top-shelf performance and adjustability. Designed for the FLH / FLT Bagger chassis, the HD 044 co...

FEATURES & BENEFITS 550C is an ideal Horsepower Cam for 114 and larger engines Kits include all required bearings, o-rings, and hardware Ma...

Designed to fit S&S Stealth Air Cleaner Kit for 2017-up HD M8 Models, Part# 1010-2757   Vacuum formed Carbon Fiber sprayed in a high temp cle...

Big lift cams can open up the high rpm potential of the M8 powerplant, but they can also cause their own issues due to the extra stresses and st...

These Quickee pushrods can be both installed and removed easily. The S&S® design permits a simple, trouble free installation that does not requ...

Stylish Black pushrod tubes enhance the look of your engine. Great match for the Black engine covers offered on some new HD models. Quickee Pushrod...

Factory tappet guides are constructed of plastic and are at risk for allowing the tappets to twist under heavy stress. S&S Tappet Cuffs captur...

*ETA on back order 12  weeks. -12/4/24 Thrashin Anti-Reversion Exhaust System - M8 Softail AGGRESSIVE TO VERY AGGRESSIVE SOUND Designed for 114 ...