- Bolt-on power: +40–50% on stock 107", 114" and 117" M‑Eight motors.
- Compressor and turbine housing with Garrett internals; plenum with integrated blow-off valve.
- Includes injectors, spark plugs, boost gauge with mount, oil feed/drain lines, custom cam cover, tune files, hardware and gaskets.
- Requires Thundermax ECM (sold separately). Does not fit Twin Cooled or non-removable fairing lowers. Offroad use only.
- Made in the USA.
Engine

Active filters
Pushrods for Shovel engines; use stock diameter tubing to avoid cover tube interference. For stock stroke applications. Made in the U.S.A.
Adjustable front stabilizer link for HD Touring frames with reverse-thread rod end and ARP stainless bolts; available in black anodized, gold anodized, or machined finish. Made in the USA.
Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.
High-lift valve springs providing correct spring force for performance cams in 74" and 80" motors. Max lift; requires proper valvetrain setup. Made in the United States.
Fits Shovel engines using stock diameter tubing. For stock stroke applications. Made in the U.S.A.
Lighter and stronger than stock with CNC-machined construction and included hardware. Made in the USA.
Adjustable front stabilizer link for HD Touring Frame with reverse-thread rod end and ARP stainless bolts. Made in the USA.
Super-light, heavy-duty fixed-length pushrods; sold as a set of four to replace OE—two intake, two exhaust. Rocker boxes must be removed for installation.
Replaces nonadjustable stock rods on H-D engines for precise valvetrain control.
Increases spring travel by .060" for improved suspension response. Precision-machined and made in the U.S.A.
Fits stock springs to add ~0.060" of travel on 1966–1984 74" and 80" motors; eases installation of B or #2 cams; made in the U.S.A.