SINISTER powersports

16/04/2024

considering a batch of these stunning Yamaha YFZ 350 Banshee pipe kits.

What do you guys think?

16/04/2024

a few more stunning images of these beautiful hand crafted pipe kits.

16/04/2024

considering a batch of these stunning YFZ 350 Banshee pipe kits - what do you guys think?

03/08/2023

have another batch of Athena Yamaha YFZ350 Banshee 392cc kits in stock ready to ship.

Complete bolt on performance kit ready to brighten up your ride.

Description:
For over 10 years, Athena has been investing in the best and most modern technologies for the manufacture of cylinders and their components, which are used not only by OE manufacturers, but also by the best racing teams in the world.

Last but not least, the production of aluminum cylinders is constantly improved through cooperation with the best Italian universities as well as constant further development requests from the best engine tuners.

Thanks to a flexible production department, Athena can react efficiently to different situations (production batches from OE manufacturers, small quantities, construction of a prototype for racing teams).

Athena cylinders are made from high quality aluminum alloys. They are manufactured taking into account the latest technologies and coated with a nickel-silicon alloy.

After all cylinders have gone through rigorous quality controls, they meet the highest standards in terms of reliability, durability and performance.

Technical specifications:
Cylinder material: aluminum
Bore: 68 mm
Stroke: 54 mm
Displacement: 392 cc
Compression: 6.5: 1
Cylinder head: included
Maximum performance on the crankshaft: 37.95 KW / 50.89 HP / 8,000 rpm

30/07/2023

are loving the new product ranges arriving on a daily, cannot wait to show you guys something fresh.

15/09/2021

OEM or after market performance parts, we've got you covered.

Can Am, Gas Gas, Honda, Husqvarna, Kawasaki, KTM, Suzuki, Triumph or Yamaha.

23/06/2021

why not GET yours now.

GET Ignitions are in stock, ready to ship out right away.

Shoot us a message for pricing.

23/06/2021

Houser Racing steering stems & anti vibe clamps - available at a discounted price.

Hinson Racing clutch covers - MX & ATV - available at a discounted price.

HMF Racing exhausts - YFM 700R, LT-R 450 & TRX 450R- available at discounted prices.

Sparks Racing exhausts - YFM 700R available at discounted price.

Moose Racing fuel controllers - available at discounted prices.

PM for pricing please.

27/05/2021

Check out our BMP Big Mo full exhaust for the Polaris RZR XP Pro.

Huge gains on pump fuel while increasing the longevity of turbos and exhaust valves due to lower EGT.

The 3" tubing also allows for a quicker turbo spool and works more efficiently versus stock as the boost pressure increases.

Fit specifically for the XP Pro.

18/05/2021

RZR Pro XP 2021 - Stage 3 Snypr Clutch.

SKU - 07-340-BMP

Designed for the Polaris RZR Pro XP 2021 2 & 4 Seat models.

This kit includes the complete factory OEM XTP primary clutch.

We specially designed this clutch kit for the demands of UTV racing.

This primary clutch comes with an encapsulated tower design which results in better acceleration due to an increased belt grip and holds power at higher RPM.

Better power transfer that leads to quicker acceleration.

Lower belt temps because of less belt slip.

Increased belt and clutch life due to less slippage..

More consistent and smoother performance over the stock P90X primary clutch.

Easily adjustable with the new Snyper Clutch Weights.

Clutch weight setup guideline is included for the best setups for the trail, dunes, mud, or overall riding.

Kit Includes:

XPT Primary Clutch

Primary Bolt,

SNYPR clutch weights,

Custom primary spring

Custom secondary spring

BMP Pro 2 custom cut helix

Clutch weight setup sheet

03/05/2021

There are very few manufacturers we feel BLESSED to be able to say we trade with – Roll Design are one of those.

If you are looking for the very best chassis components around look no further we have them here all under one roof.

SINISTER powersports are the SOLE distributors for Roll Design products here in the UK.

There are few manufacturers with a history such as these - we salute you Doug & Jed.

Check out our range of Roll Design products below:

SINISTER powersports offering the most powerful brands and world-class distribution. Regardless if you are a pro, amateur racer or weekend warrior, here at SINISTER powersports you will find a huge selection of products along with the best prices in the industry.