Kartboy

Kartboy Crankshaft Pulley weighs in at 1 lbs which is a good bit lighter than stock but not light enough to throw a CEL. Free up a little crank HP with the Karboy pulley.

The Kartboy engine pitch mount is manufactured from CNC'd aluminum and features stiff urethane bushings to reduce motor and transmission movement.

Looking to secure the rear differential in the rear subframe of you 2015-21 WRX and 2015-21 STI? Kartboy's rear diff carrier wedge lock system is machined from aluminum and inserts into the existing...

The Kartboy (Soft) Subaru rear differential bushings help to remove the clunk that occurs during tip in, on / off throttle and hard acceleration. These bushings are made from a slightly softer...

The Kartboy Short Shift lever replaces the stock shift lever in the 2004-05 model year Subaru Forester XT. The overall shift throw is decreased by 40%, providing a noticeable difference and a solid...

Kartboy started the short shifter design from the bottom up on the 2015+ Subaru WRX. The best solution, reduce the throw through the shifter lever on the transmission without increasing shifter...

This component replaces the stock shift lever in 2002-2007 model year Subaru Impreza WRX. Overall shift throw is decreased by 40%, providing a noticeable difference and a solid feel. Constructed of...

Replace the marshmallow factory bushing on the cable actuated shifters with this sealed bearing from Kartboy. Comes with an installation tool.

The Kartboy front shift bushings replace the stock shifter mount bushings in 2002-14 Subaru 5 speed model vehicles, including Impreza WRX, Legacy GT and Forester XT. The Kartboy bushings are a Black...

Kartboy's Shifter Bushings Combo includes their front and rear bushings in a complete set for 2004-2020 STI and 2007-09 Legacy GT Spec B. The 6 speed blue front bushings are made from 95A durometer...

The Kartboy shift lever lockout for the 2015-21 cable shift WRX's helps to reduce the horizontal play between the 1st and 2nd gear shift gates. The lock is made from 30% glass filled injection molded...

The Kartboy Subaru Knuckleball 5 Speed shift knob is machined from black delrin material and is a direct replacement for the OEM piece. The knob includes Black/Chrome and Yellow/Black Kartboy emblem...

Kartboy Black Knuckleball 6 Speed Shift Knob. Includes Black/Chrome and Yellow/Black emblem logos. *Other color emblems are no longer available.

You’re using your stock shift knob on your radical Kartboy shifter? Ditch that sticky rubber and replace it with a Knuckleball. 5 ounces of CNC’d 6061 aluminum that feels right in your...

Knuckleball (delrin 6spd) – You want a Knuckleball, but aluminum isn’t your thing? You’d rather have a lighter shift knob cause your car is on a diet? Fear not, Gram Counter…...

The Kartboy Silver Knuckleball 5 Speed Shift Knob is manufactured from aluminum and fits the 2002-14 WRX, 2005-09 Legacy GT 5 Speed and 2004-08 Forester XT. The knob includes Black/Chrome and...

Kartboy Silver Knuckleball 6 Speed Shift Knob. Includes Black/Chrome and Yellow/Black emblem logos. *Other emblem colors no longer available.

Kartboy White Delrin Knuckleball 5 Speed Shift Knob. Includes Black/Chrome and Yellow/Black emblem logos.

Kartboy White Delrin Knuckleball 6 Speed Shift Knob. Includes Black/Chrome and Yellow/Black with Kartboy logos.

Made in house on our CNC mills. Aluminum barstock with a brushed look, Black Anodized then engraved with our stylish KARTBOY logo. Great way to cover the ugly holes on the factory bumper. All...

The Kartboy Subaru End Links (aka Droplinks) replace the stock anti-sway bar droplinks with a solidly designed, CNC cut and hard anodized 6061-T6 aluminum with stiff urethane bushings for the proper...

Kartboy Front Sway Bar Endlinks for 2002-07 Impreza WRX Wagon are manufactured from CNC'd aluminum and feature stiff urethane bushings. Perfect for upgraded sway bars.

Kartboy front endlink spacers are required when matching Kartboy endlinks to most aftermarket front sway bars. Sold in set of (4).

Kartboy solid C shaped rear end links are designed to replace the OEM endlinks when upgrading to a larger sway bar. The solid endlinks will not flex or break like the OEM endlinks which improves...

The Kartboy 15mm Exhaust Hangers are a direct replacement for the OEM hangers 2002-07 Subaru WRX, 2004-07 STI and 2004-08 Forester XT. The Kartboy Hangers reduce swaying of both stock and aftermarket...

Kartboy Engine Oil Filler Cap. Includes replacement rubber o-ring and emblem.

Kartboy Rear Differential Bushings Set - Hard

Kartboy Rear Lockdown Bolts

Kartboy 02-14 Subaru WRX/04-21 STi/04-13 Forester EJ Alternator Cover - Aluminum

Kartboy 15-22 Subaru WRX FA Alternator Cover - Aluminum