• AA heavy duty primary clutch with billet Revolver cover and replacement secondary clutch
  • AA primary clutch with billet cover installed on a P90X clutch setup
  • AA encapsulated tower primary next to the open tower stock P90X clutch
  • Close view of the AA encapsulated bushing on the secondary clutch
  • OEM inner clutch baffle marked to show the section to remove or trim
  • Three AA HD primary clutch sliders that come installed in the AA clutch
  • AA Extreme Duty primary slider showing the thicker bridge and anti friction cooling slots
  • OEM slider beside the thicker bridge AA primary clutch slider
1 8

Aftermarket Assassins

2020 RZR Pro XP S4 Clutch Kit with AA Heavy Duty Primary & Secondary

2020 RZR Pro XP S4 Clutch Kit with AA Heavy Duty Primary & Secondary

116-1009-1043

$1,695.00 USD
$1,695.00 USD
Sale Sold out
Shipping calculated at checkout.
Part Number

Select your machine to get the right part number.

Don't see your machine or the part you need? Ask us and we'll track it down.

The Aftermarket Assassins S4 Clutch Kit replaces both clutches on the 2020 Polaris RZR Pro XP with an AA heavy duty primary and secondary, built to fix the poor belt grip of the factory clutching.

Why it holds up

  • Encapsulated tower primary, the same design as the 2016 to 2020 RZR Turbo, holds power better and slips the belt less, with lower belt temps than the OEM P90X clutch
  • Primary post made from higher grade tool steel, assembled with AA Extreme Heavy Duty sliders and topped with the billet Revolver Clutch Cover with Tower Lock for strength and airflow
  • Replacement secondary with an encapsulated bushing design and AA HD rollers installed
  • Stiffer secondary spring and matched primary weights and spring for better belt grip at the right RPM, with an AA helix for a more aggressive shift
  • AA Recoil magnetic adjustable weights with a nitrocarburized coating for wear resistance and fatigue strength

Fits

  • 2020 Polaris RZR Pro XP, 2 and 4 seat
  • Does not fit 2021 and newer models, which use a different helix design

In the box

  • AA primary clutch with billet Revolver cover
  • Primary bolt
  • AA magnetic adjustable clutch weights and weight setup sheet
  • AA primary spring and custom primary spring limiter
  • Replacement secondary clutch with encapsulated bushing
  • AA secondary spring and AA custom cut helix
  • AA Extreme Heavy Duty primary sliders and AA HD secondary rollers, installed

Good to know

  • Built to order and ships in 1 to 3 days.
  • The OEM plastic inner baffle behind the clutches must be removed.
  • The primary clutch ships unassembled. Set the weights using the included setup chart, then install the weights and spring.
  • Performance Helix 1043: aggressive, for acceleration, higher horsepower and fast pace drivers. 2 seat: 30 to 33 inch dirt tires or 30 to 32 inch paddles. 4 seat: 30 to 32 inch tires or 28 to 30 inch paddles.
  • High Load Helix 1042: slightly less aggressive, for heavier vehicles, heavier tires, heavy sand load or crawling. 2 seat: 30 to 35 inch tires or 30 to 32 inch paddles. 4 seat: 30 to 33 inch tires or 28 to 32 inch paddles.
  • Works on stock machines up to AA's 330 crank HP big turbo setup. Engagement is slightly higher but smooth, around 1800 to 2000 RPM.
  • This clutch is louder at idle until RPM rises and may lightly contact the cover plastic at idle.
View full details