All Products

Increase airflow and performance for Royal Enfield 650 Twins with S&S components. The high-flow air filter flows 12% more than stock and is washable and re-usable. The intake eliminator plate kit increases airflow by a dramatic 95% when used with the S&S filter. Both items are made from durable materials for long life and are sold separately. Made...

Sold each. Made in the U.S.A.

For 99-17 Twin Cam style engines with strokes greater than stock. Special piston cooling jets that won't contact pistons at the bottom of the stroke. Provides an extra 0.150" of clearance between piston skirt and jet. Made in the U.S.A.

Sold in pack of four.

Complete set of piston rings for M-Eight engines. Sold in 2-pack. Made in the U.S.A.

Independent dual-look headers with 'under the bike' crossover. Adds performance compared to stock pipes and moves rear cylinder header away from the passenger to reduce radiated heat. Stainless steel construction with chrome or high-temperature black heat shields.

All parts for one valve. Include top and bottom covers, cover cap, cover spring and washers. Steel construction with chrome finish. Sold in set of four.

For use in stock or custom applications. Chromed steel finish. Measure 2.200" long. Sold in kit of four assemblies; enough for one engine.

Constructed of 0.031" steel and nickel-chrome plated. Sold in set of four.

Chromed stainless steel pushrod cover kit. Includes upper and lower tubes, clips, cups, washers and O-rings. One kit will do a complete engine. Measure 4.250" L, can be trimmed to required length. Made in the U.S.A.

Features stainless steel construction for durability and lasting good looks, aggressive 2:1 race styling, and a deep performance sound. Sheds 28 lbs. while improving performance. Includes a removable dB insert and all necessary hardware. SAE J2825 Sound Level 1 compliant and made in the U.S.A.

Inspired by the King of the Baggers race bike exhaust system design. Stainless steel stepped header construction with full heat shields on front and rear header pipes. S&S inspired race muffler end cap. Made in the U.S.A.

Allows quicker, easier installation without the removal of the rocker covers. 0.4375" diameter chromoly steel. Threaded adjuster screws into the pushrod until the threads disengage and the adjuster simply slides into the pushrod, making installation or removal a snap. Once the pushrod is installed and adjusted, the lock nut prevents the adjuster...

S&S 3-piece flywheels with integral main shafts, made from 4140 steel and feature a larger 1.671" crankpin. Designed for use with Timken bearing conversion (sold separately).

Replacement bushing for S&S roller rocker arms. Sold each. Made in the U.S.A.

Made from bearing-quality steel and precision-centerless ground for the perfect fit. Stronger than stock to resist issues from radical cam profiles. Sold in a set of four. Made in the U.S.A. Note: S&S recommends installing rocker stud kit PART #2401-1139 (sold separately) with these rocker arm shafts.

Extends cylinder head life and helps prevent damage to rocker arm towers. Allows for re-torquing of rocker arm nuts after installation. Kit includes 12-point nuts with black oxide finish. Made in the U.S.A.

2-Into-1 exhaust system featuring increased power and torque, stainless steel header construction, and machined aluminum end caps. Available with or without high-flow catalytic converters. Optional Shadow Muffler kits are available to fill the left-side cutout in extended saddlebags when running the Sidewinder system.

Designed for riders seeking the greatest possible performance gains from their fuel-injected engines. For maximum tunability and performance gains an S&S Variable Fuel-Injection (VFI) module is recommended.

Air cleaner covers designed to fit S&S Stealth air cleaner kits. Available in Bobber, Air Stream, Tribute, and Teardrop styles. Bobber style is machined from billet aluminum leaving the filter exposed. Air Stream style is die-cast with screened vents. Tribute style mimics the classic S&S Two Throat air cleaner. Made in the U.S.A.

Stealth intake provides 38 percent increase in flow. High-strength synthetic polymer backplate. Comes in new Lava Chrome finish. Easy installation.

High-quality single carburetors with four fuel delivery ports, O-ring sealed idle mixture screw, and adjustable accelerator pump.

Complete carburetor kits including manifold (unless noted), mounting hardware, fuel line, and instructions. Super E is recommended for Big Twin or Sportster up to 100 cubic inches. Super G is for high-performance engines 90 cubic inches and larger.

Combines a Super E or G carburetor with the S&S Stealth air cleaner for increased fuel and airflow. Features variable position enrichment starting system and O-ring sealed idle mixture screw.

Super Stock cylinder heads featuring high port flow for performance. Fully assembled with springs and valves. Heads include four long headbolts and accept OEM intake manifolds. Machined for compression releases (unless noted).