STM Polaris Pro XP Tuner Secondary

by STM

$960.00 SKU: 2001256

This is a FINNED style  secondary that allows for more air movement inside the clutch housing, it helps keep the clutches, housing and belts cooler. You will need to cut the cross section part of the clutch housing duct to clear the adjustment nut on the secondary clutch to run this secondary. Photos below shows what needs to be cut for reference.

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This is an all billet construction that is capable of using compression springs. We have different spring rate options available (see menu above). We have many helix angles available (see menu for options). We can also provide custom helix angles if you desire for an additional fee. 

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.

Choose a helix angle - The most popular helix is the 35/40ºP. It is a good all-around helix. We found that is worked the best for the average to aggressive trail rider.

Choose a spring– The most popular spring is the KSS8 lime green. This spring works well for most average to aggressive trail/dune riders. 

KEEP IN MIND WE CAN ONLY GET YOU CLOSE WITH SET-UP. Everyone's riding style is different so it’s up to you -  the customer to do the fine tuning!

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Items we have in stock usually ship within 24 hours. Other items ship directly from the manufacturer.