ALL ENGINE

Features Race-inspired design with a 4" outside diameter muffler body Removable dB reducer for back pressure and sound tuning Meet J2825 levels fo...

Features 6061 billet aluminum head breathers replace the OEM plastic parts Dual O-ring for a better seal in the head Unique Labyrinth design to re...

Features Directs the transmission fluid from the bottom of the case to the drain pan instead of on the frame Helical design locks into place to en...

Features Grade 5 replacement screws with washers for Harley-Davidson® Big Twin motorcycle oil pumps 1999 and up Specs Product Name Screw Kit ...

Features Cold-formed 9/16" 12-point head with integral washer Stronger material than stock Head bolts 200,000 psi ultimate tensile strength Reusab...

Features Mounts from the center-case bolt between cylinders to the lower flange mount of the manifold Adjusts from 5-1/4" to 6-3/8" Made in the US...

Features Mk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baffle and RaceTEX ca...

Features For jetting most stock and performance engines Made in the USA Specs Product Name Jet Type Carburetor / Intermediate Jet Size 0.0...

Features Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the USA Specs Product Name Piston Rings T...

Features Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the USA Specs Product Name Piston Rings T...

Features Sturdy steel canister houses the finest filtering media and internal components available Canister is slightly smaller in diameter than s...

Features Sturdy steel canister houses the finest filtering media and internal components available Canister is slightly smaller in diameter than s...

Features For use in custom applications where stock keepers won't fit Sold in kits of four assemblies; enough for one engine Made in the USA ...

Features Kit includes four S&S Quickee pushrods, four pushrod covers and O-rings Pushrods are manufactured from chromoly steel for superior st...

Features Kit includes four S&S Quickee pushrods, four pushrod covers and O-rings Pushrods are manufactured from chromoly steel for superior st...

Features All steel construction with chrome plating Made in the USA Note: Fits '66-'82 Shovelhead engines with Super E or G carburetor. Specs ...

Features Needle is 1.875" for Super E carburetor and 2.0625" for Super G carburetor Made in the USA Specs Product Name Needle Type Carbureto...

Features Made in the USA Specs Product Name Screw Type Socket Head Color/Finish Silver Base Color Silver Length 34.80 mm / 1.37" Uni...

Features Bolt-in cam providing power from 2200-5200 RPM in engines with displacement from 107-135 cubic inches No need for expensive dyno tuning D...

Features Precision CNC machined forged aluminum Increased structural strength Dimensional stability Freedom for internal porosity Separate scaveng...

Features Features precision-hardened ball-type check valve to provide superior sealing and lash control Valve seal is self-cleaning, making it les...

Features Rollers have a larger-than-stock inner bearing race that reduces stress and increases axle life Each lifter body and plunger assembly is ...

Features Hand assembled to exacting tolerances and designed for quiet operation and rapid pump up Reduced valve train noise from start up to shut ...

Features Designed for 88" to 107" engines with compression ratios from 10.0:0 to 10.5:1 and 100" and 107" engines with compression ratios 9.7:1 to...