*Opened Package* STM Tuner Secondary for Wildcat XX

MSRP: $ 869.00
$ 599.00

SKU 4001137

*Opened Package* Brand new, never installed.  All parts included.

For Wildcat XX

 This is an all billet construction and capable of using compression springs with different spring rate options available. 

Comes with bolt for installation.

Can be used along with the stock primary or the STM primary. Best results are acquired when running both the STM primary and STM tuner together.

  •  40/50 Degree Gen1 ATV Helix
  • Green Medium Duty Spring