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Trask CheckM8 Vented Transmission Cover

(8 reviews)

Item: 398098

$349.95

Select Your Vehicle - Fitment Guaranteed

Trask CheckM8 Vented Transmission Cover


  • Reduce or even eliminate the oil coming from the head breathers on your M8
  • Machined from billet aluminum
  • Employs a Boyesen one-way reed valve to vent excessive internal crankcase pressure
  • No annoying hose on your dipstick to worry about when checking your oil
  • Proven durability - used on Trask Performance King of the Baggers race bikes
  • Easier revving on Milwaukee Eight engines frees up additional power
  • Comes with breather hose, breather filter and installation instructions
  • Made in the USA
Specification Details
CARB Approved No
Color Varies (make selection above)
Country of Origin USA
Engine Type Milwaukee Eight
Finish Varies (make selection above)
Material Aluminum
Position Top

Vehicle Fitment


Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Harley Davidson
  • FLDE Softail Deluxe 2018-2020
  • FLFB Softail Fat Boy 2018-2019
  • FLFBS Softail Fat Boy 114 2018-2024
  • FLHC Softail Heritage Classic 2018-2021
  • FLHCS Softail Heritage Classic 114 2018-2024
  • FLHR Road King 2017-2022
  • FLHRXS Road King Special 2017-2024
  • FLHT Electra Glide Standard 2019-2022
  • FLHTCU Electra Glide Ultra Classic 2017-2019
  • FLHTCUTG Tri Glide Ultra Classic 2017-2024
  • FLHTK Electra Glide Ultra Limited 2017-2024
  • FLHTKL Electra Glide Ultra Limited Low 2017-2019
  • FLHX Street Glide 2017-2024
  • FLHXS Street Glide Special 2017-2023
  • FLHXST Street Glide ST 2022-2023
  • FLRT Freewheeler 2017-2024
  • FLSB Softail Sport Glide 2018-2021
  • FLSL Softail Slim 2018-2021
  • FLTRK Road Glide Limited 2020-2024
  • FLTRT Road Glide 3 2023-2024
  • FLTRU Road Glide Ultra 2017-2019
  • FLTRX Road Glide 2017-2024
  • FLTRXS Road Glide Special 2017-2023
  • FLTRXST Road Glide ST 2022-2023
  • FXBB Softail Street Bob 2018-2020
  • FXBBS Softail Street Bob 114 2021-2024
  • FXBR Softail Breakout 2018-2019, 2023-2024
  • FXBRS Softail Breakout 114 2018-2020
  • FXDR Softail 114 2019-2020
  • FXFB Softail Fat Bob 2018-2019
  • FXFBS Softail Fat Bob 114 2018-2023
  • FXLR Softail Low Rider 2018-2020
  • FXLRS Softail Low Rider S 2020-2024
  • FXLRST Softail Low Rider ST 2022-2024
  • FXST Softail Standard 2020-2024

Customer Reviews

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Trask Transmission Cover

By   on  Verified Purchaser

A little pricey, but does look good. Need to recheck the intake filter for blow by but believe it's working as advertised.


Trask CheckM8 Transmission Cover

By   on  Verified Purchaser

Exact fit great parts as always.


My truth- - -!

By   on  Verified Purchaser

The quality is on point. Price and quality five star. DCP


Great add on!

By   on  Verified Purchaser

A huge plus as far as value. It's replacing a plastic cover for an aluminum. Not a difficult task with the proper tools. just take your time.


Good product

By   on  Verified Purchaser

Good product, no complaints here!


Good product

By   on  Verified Purchaser

With bigger jugs and a fan under seat had to modify 3 allen wrenches. But got on good product.


Works on 22 Road Glide Limited

By   on  Verified Purchaser

Came with everything described except clamps but you can pick them up at a hardware store.


Trask Check M8 Transmission Cover

By   on 

Great fit.


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Questions & Answers

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Does the kit come with clamps, if not what clamps are best to use?

This kit does not include clamps for the air filter element. The hose is a 1/4" inside diameter affair, so anything with a diameter slightly above that would be best. Personally, I prefer Motion Pro Oetiker Stepless Clamps as they've never failed in any of my builds. You'll want to choose the 7.8mm-9.5mm size in order to work with this particular kit. Otherwise, any stainless steel hose clamp will do the trick.

By Tom
Answer Question

Does it come in a Chrome finish

Yes, once you choose your year/make/model you will have the option between chrome or black finish.

By Andy
Answer Question

Does this come with vent hose and filter?

Yes, this cover does come with a vent hose and filter.

By Andy
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