SKU: TXR600-FA-8201BLK
MPN: 600-FA-8201BLK
The XB 600 Spindle Tall Boss is a front steering spindle from TRIPLE X RACE COMPONENTS built for 600 mini sprint racing chassis. Machined from billet aluminum and finished in black anodizing, it carries the tall boss configuration that raises the spindle pin location for builders setting up specific front-end geometry. This is a racing-class part, not a street component, intended for the small open-wheel cars that run the 600 mini sprint division. It carries MPN 600-FA-8201BLK and ships as a single spindle, so racers running matched pairs should order accordingly for their corner setups.
Billet construction means this spindle is cut from solid aluminum stock rather than cast, which gives mini sprint builders consistent material and tight tolerances at the king pin bore and steering arm mounting points. The black anodized finish adds surface hardness and corrosion resistance over bare aluminum, useful for parts that see dirt, moisture, and repeated cleaning between heat races. The tall boss layout changes where the spindle pin sits relative to the steering arm, affecting bump steer and roll characteristics through the corner. Pair this spindle with matching king pin hardware and the correct tie rod ends to complete the front knuckle assembly on a 600 chassis.
Mini sprint racers reach for this spindle when building or refreshing the front end on a 600 car and want the tall boss geometry rather than the standard height boss. It works as a direct replacement after track damage or as part of a full corner rebuild where alignment and bump steer are being dialed in. Because TRIPLE X offers both natural and black anodized versions, the black finish here suits builders matching darker hardware throughout the front clip. Round out the build with the rest of our steering and components inventory, from spindles to linkage.
The tall boss raises the location of the spindle pin relative to the steering arm compared to a standard height boss. That change affects front-end geometry, including bump steer and roll characteristics through the corner, giving 600 mini sprint builders another setup option when dialing in alignment.
The product listing and MPN 600-FA-8201BLK do not specify a fixed side. Mini sprint racers typically build matched front corners, so confirm your setup and order the quantity you need rather than assuming a single spindle covers both sides.
TRIPLE X RACE COMPONENTS offers this spindle in two finishes. The black anodized version listed here uses MPN 600-FA-8201BLK, while the natural anodized version carries a different SKU. Both are billet aluminum; the difference is the surface finish and color.
A full front corner usually requires king pin hardware and tie rod ends in addition to the spindle. Match these to your 600 chassis specifications so the bores and mounting points line up correctly during assembly.
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