Primary Clutch Cover
BILLET PRIMARY CLUTCH COVER
Item: 440-90910
Brand : SPEEDWERX
Your Price: $189.95
BILLET PRIMARY CLUTCH COVER
440-90910
Weight: 2 lbs
Package Dimensions: 8 x 6 x 3
- Added tower bushing material without sacrificing shift range
- Tighter tower bushing tolerance
- Additional support and webbing to tie clutch towers together and prevent flexing
- Lighter than stock
- ADAPT models have increased material thickness and larger corner radiuses to strengthen failure prone areas
- Revised version for the 2025 858 models with the steel spider clutch
Segment: Snow
Division: Drive
Class: Clutch Kits & Components
Sub Class: Misc Components
Product fitment
Arctic Cat
2025
M 858 154/3.0
M 858 Alpha One 154/3.0
M 858 Alpha One Sno Pro 154/3.0
M 858 Mountain Cat 146/2.6
M 858 Mountain Cat 154/2.6
M 858 Mountain Cat 154/3.0
M 858 Mountain Cat 165/3.0
M 858 Mountain Cat ES 146/2.6
M 858 Mountain Cat ES 154/2.6
M 858 Mountain Cat ES 154/3.0
M 858 Mountain Cat ES 165/3.0
M 858 Mountain Cat w/ Atac 146/2.6
M 858 Mountain Cat w/ Atac 154/2.6
M 858 Mountain Cat w/ Atac 154/3.0
M 858 Mountain Cat w/ Atac 165/3.0
M 858 Mountain Cat w/ Atac ES 146/2.6
M 858 Mountain Cat w/ Atac ES 154/2.6
M 858 Mountain Cat w/ Atac ES 154/3.0
M 858 Mountain Cat w/ Atac ES 165/3.0
M 858 Sno Pro 146/2.6
M 858 Sno Pro 154/2.6
M 858 Sno Pro 154/3.0
M 858 Sno Pro 165/3.0
M 858 Sno Pro ES 146/2.6
M 858 Sno Pro ES 154/2.6
M 858 Sno Pro ES 154/3.0
M 858 Sno Pro ES 165/3.0
Riot 858 Sno Pro ES 146/1.35
Riot 858 Sno Pro ES 146/1.75
Riot 858 w/ Atac 146/1.35
Riot 858 w/ Atac 146/1.75
ZR 858 137 ES
ZR 858 R-XC 137
ZR 858 Sno Pro 137 ES
ZR 858 Sno Pro ES 129
ZR 858 W/ Atac 129 ES
ZR 858 W/ Atac 137 ES
BILLET PRIMARY CLUTCH COVER
Item: 440-90909
Brand : SPEEDWERX
Your Price: $189.95
BILLET PRIMARY CLUTCH COVER
440-90909
Weight: 2 lbs
Package Dimensions: 8 x 6 x 3
- Added tower bushing material without sacrificing shift range
- Tighter tower bushing tolerance
- Additional support and webbing to tie clutch towers together and prevent flexing
- Lighter than stock
- ADAPT models have increased material thickness and larger corner radiuses to strengthen failure prone areas
- Revised version for the 2025 858 models with the steel spider clutch
Segment: Snow
Division: Drive
Class: Clutch Kits & Components
Sub Class: Misc Components
Product fitment
Arctic Cat
2022
M 8000 Hardcore Alpha One 146
M 8000 Hardcore Alpha One 154
M 8000 Hardcore Alpha One 154 ES
M 8000 Hardcore Alpha One 165
M 8000 Hardcore Alpha One 165 ES
M 8000 Mountain Cat Alpha One 154
M 8000 Mountain Cat Alpha One 154 ES
M 8000 Mountain Cat Alpha One 154 ES w/ATAC
M 8000 Mountain Cat Alpha One 154 w/ATAC
M 8000 Mountain Cat Alpha One 165
M 8000 Mountain Cat Alpha One 165 ES
M 8000 Mountain Cat Alpha One 165 ES w/ATAC
M 8000 Mountain Cat Alpha One 165 w/ATAC
Riot 6000 146/1.35
Riot 6000 146/1.60
Riot 8000 146/1.35
Riot 8000 146/1.60
Riot 8000 146/1.60 w/ATAC
ZR 6000 Limited 137 ES
ZR 6000 RR 137 ES
ZR 8000 Limited 137 ES
ZR 8000 Limited 137 ES w/ATAC
ZR 8000 RR 137 ES
ZR 9000 Thundercat 137
ZR 9000 Thundercat 137 EPS
ZR 9000 Thundercat 137 EPS w/ATAC
2023
M 600 Alpha One 146
M 600 Alpha One 154
M 8000 Hardcore Alpha One 146
M 8000 Hardcore Alpha One 146 ES
M 8000 Hardcore Alpha One 154
M 8000 Hardcore Alpha One 154 ES
M 8000 Hardcore Alpha One 165
M 8000 Hardcore Alpha One 165 ES
M 8000 Mountain Cat Alpha One 146
M 8000 Mountain Cat Alpha One 146 ES
M 8000 Mountain Cat Alpha One 154
M 8000 Mountain Cat Alpha One 154 ES
M 8000 Mountain Cat Alpha One 154/3.00
M 8000 Mountain Cat Alpha One 154/3.00 ES
M 8000 Mountain Cat Alpha One 165
M 8000 Mountain Cat Alpha One 165 ES
Riot 600 146/1.75 ES
Riot 600 w/Atac 146/1.60 ES
Riot 600 w/Atac 146/1.75 ES
Riot 6000 146/1.60
Riot 8000 146/1.60
Riot 8000 146/1.60 w/ATAC
ZR 600 129/1.25 ES
ZR 600 R-XC 137/1.35
ZR 600 R-XC 137/1.35 ES
ZR 600 W/ Atac 129/1.25 ES
ZR 600 W/ Atac 137/1.25 ES
ZR 6000 137 ES
ZR 6000 R XC 129 ES
ZR 7000 137
ZR 8000 137 ES
ZR 8000 137 ES w/ATAC
ZR 8000 RR 137 ES
ZR 9000 RR 137
ZR 9000 Thundercat 137
ZR 9000 Thundercat 137 EPS w/ATAC
2024
M 600 Alpha One 154
M 600 Alpha One Sno Pro 146/2.6
M 600 Alpha One Sno Pro 146/3
M 600 Alpha One Sno Pro 154/2.6
M 600 Alpha One Sno Pro 154/3
M 8000 Hardcore Alpha One 146
M 8000 Hardcore Alpha One 154
M 8000 Hardcore Alpha One 165
M 8000 Mountain Cat Alpha One 146
M 8000 Mountain Cat Alpha One 154
M 8000 Mountain Cat Alpha One 154 ES
M 8000 Mountain Cat Alpha One 154/3.00
M 8000 Mountain Cat Alpha One 165
Pantera 7000 146
Riot 600 Snow Pro 146/1.35
Riot 600 Snow Pro 146/1.75
Riot 600 w/Atac 146/1.35 ES
Riot 600 w/Atac 146/1.75 ES
Riot 8000 146/1.60
Riot 8000 146/1.60 w/ATAC
Riot 9000 146/1.60 w/ATAC
ZR 600 129/1.25 ES
ZR 600 137/1.25
ZR 600 R-XC 137/1.35
ZR 600 Sno Pro 129/1.25
ZR 600 Sno Pro 137/1.25
ZR 600 W/ Atac 129/1.25 ES
ZR 600 W/ Atac 137/1.25 ES
ZR 7000 137
ZR 8000 RR 137 ES
ZR 9000 RR 137
ZR 9000 Thundercat 137
ZR 9000 Thundercat 137 EPS w/ATAC
2025
M 600 Alpha One Sno Pro 146/2.6
M 600 Alpha One Sno Pro 146/3
M 600 Alpha One Sno Pro 154/3
Pantera 7000 ES
Riot 600 135 ES
Riot 9000 w/ Atac EPS 146/1.35
ZR 600 137/1.25
ZR 600 R-XC 137/1.35
ZR 600 R-XC 137/1.35 ES
ZR 600 Sno Pro 129/1.25
ZR 600 Sno Pro 137/1.25
ZR 600 W/ Atac 129/1.25 ES
ZR 600 W/ Atac 137/1.25 ES
ZR 7000 137
ZR 9000 RR 137
ZR 9000 Thundercat 137 EPS w/ATAC
Fitment:
| Brand | Year | Model |
|---|---|---|
| Arctic Cat | 2022 | M 8000 Hardcore Alpha One 146 |
| Arctic Cat | 2022 | M 8000 Hardcore Alpha One 154 |
| Arctic Cat | 2022 | M 8000 Hardcore Alpha One 154 ES |
| Arctic Cat | 2022 | M 8000 Hardcore Alpha One 165 |
| Arctic Cat | 2022 | M 8000 Hardcore Alpha One 165 ES |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 154 |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 154 ES |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 154 ES w/ATAC |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 154 w/ATAC |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 165 |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 165 ES |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 165 ES w/ATAC |
| Arctic Cat | 2022 | M 8000 Mountain Cat Alpha One 165 w/ATAC |
| Arctic Cat | 2022 | Riot 6000 146/1.35 |
| Arctic Cat | 2022 | Riot 6000 146/1.60 |
| Arctic Cat | 2022 | Riot 8000 146/1.35 |
| Arctic Cat | 2022 | Riot 8000 146/1.60 |
| Arctic Cat | 2022 | Riot 8000 146/1.60 w/ATAC |
| Arctic Cat | 2022 | ZR 6000 Limited 137 ES |
| Arctic Cat | 2022 | ZR 6000 RR 137 ES |
| Arctic Cat | 2022 | ZR 8000 Limited 137 ES |
| Arctic Cat | 2022 | ZR 8000 Limited 137 ES w/ATAC |
| Arctic Cat | 2022 | ZR 8000 RR 137 ES |
| Arctic Cat | 2022 | ZR 9000 Thundercat 137 |
| Arctic Cat | 2022 | ZR 9000 Thundercat 137 EPS |
| Arctic Cat | 2022 | ZR 9000 Thundercat 137 EPS w/ATAC |
| Arctic Cat | 2023 | M 600 Alpha One 146 |
| Arctic Cat | 2023 | M 600 Alpha One 154 |
| Arctic Cat | 2023 | M 8000 Hardcore Alpha One 146 |
| Arctic Cat | 2023 | M 8000 Hardcore Alpha One 146 ES |
| Arctic Cat | 2023 | M 8000 Hardcore Alpha One 154 |
| Arctic Cat | 2023 | M 8000 Hardcore Alpha One 154 ES |
| Arctic Cat | 2023 | M 8000 Hardcore Alpha One 165 |
| Arctic Cat | 2023 | M 8000 Hardcore Alpha One 165 ES |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 146 |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 146 ES |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 154 |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 154 ES |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 154/3.00 |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 154/3.00 ES |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 165 |
| Arctic Cat | 2023 | M 8000 Mountain Cat Alpha One 165 ES |
| Arctic Cat | 2023 | Riot 600 146/1.75 ES |
| Arctic Cat | 2023 | Riot 600 w/Atac 146/1.60 ES |
| Arctic Cat | 2023 | Riot 600 w/Atac 146/1.75 ES |
| Arctic Cat | 2023 | Riot 6000 146/1.60 |
| Arctic Cat | 2023 | Riot 8000 146/1.60 |
| Arctic Cat | 2023 | Riot 8000 146/1.60 w/ATAC |
| Arctic Cat | 2023 | ZR 600 129/1.25 ES |
| Arctic Cat | 2023 | ZR 600 R-XC 137/1.35 |
| Arctic Cat | 2023 | ZR 600 R-XC 137/1.35 ES |
| Arctic Cat | 2023 | ZR 600 W/ Atac 129/1.25 ES |
| Arctic Cat | 2023 | ZR 600 W/ Atac 137/1.25 ES |
| Arctic Cat | 2023 | ZR 6000 137 ES |
| Arctic Cat | 2023 | ZR 6000 R XC 129 ES |
| Arctic Cat | 2023 | ZR 7000 137 |
| Arctic Cat | 2023 | ZR 8000 137 ES |
| Arctic Cat | 2023 | ZR 8000 137 ES w/ATAC |
| Arctic Cat | 2023 | ZR 8000 RR 137 ES |
| Arctic Cat | 2023 | ZR 9000 RR 137 |
| Arctic Cat | 2023 | ZR 9000 Thundercat 137 |
| Arctic Cat | 2023 | ZR 9000 Thundercat 137 EPS w/ATAC |
| Arctic Cat | 2024 | M 600 Alpha One 154 |
| Arctic Cat | 2024 | M 600 Alpha One Sno Pro 146/2.6 |
| Arctic Cat | 2024 | M 600 Alpha One Sno Pro 146/3 |
| Arctic Cat | 2024 | M 600 Alpha One Sno Pro 154/2.6 |
| Arctic Cat | 2024 | M 600 Alpha One Sno Pro 154/3 |
| Arctic Cat | 2024 | M 8000 Hardcore Alpha One 146 |
| Arctic Cat | 2024 | M 8000 Hardcore Alpha One 154 |
| Arctic Cat | 2024 | M 8000 Hardcore Alpha One 165 |
| Arctic Cat | 2024 | M 8000 Mountain Cat Alpha One 146 |
| Arctic Cat | 2024 | M 8000 Mountain Cat Alpha One 154 |
| Arctic Cat | 2024 | M 8000 Mountain Cat Alpha One 154 ES |
| Arctic Cat | 2024 | M 8000 Mountain Cat Alpha One 154/3.00 |
| Arctic Cat | 2024 | M 8000 Mountain Cat Alpha One 165 |
| Arctic Cat | 2024 | Pantera 7000 146 |
| Arctic Cat | 2024 | Riot 600 Snow Pro 146/1.35 |
| Arctic Cat | 2024 | Riot 600 Snow Pro 146/1.75 |
| Arctic Cat | 2024 | Riot 600 w/Atac 146/1.35 ES |
| Arctic Cat | 2024 | Riot 600 w/Atac 146/1.75 ES |
| Arctic Cat | 2024 | Riot 8000 146/1.60 |
| Arctic Cat | 2024 | Riot 8000 146/1.60 w/ATAC |
| Arctic Cat | 2024 | Riot 9000 146/1.60 w/ATAC |
| Arctic Cat | 2024 | ZR 600 129/1.25 ES |
| Arctic Cat | 2024 | ZR 600 137/1.25 |
| Arctic Cat | 2024 | ZR 600 R-XC 137/1.35 |
| Arctic Cat | 2024 | ZR 600 Sno Pro 129/1.25 |
| Arctic Cat | 2024 | ZR 600 Sno Pro 137/1.25 |
| Arctic Cat | 2024 | ZR 600 W/ Atac 129/1.25 ES |
| Arctic Cat | 2024 | ZR 600 W/ Atac 137/1.25 ES |
| Arctic Cat | 2024 | ZR 7000 137 |
| Arctic Cat | 2024 | ZR 8000 RR 137 ES |
| Arctic Cat | 2024 | ZR 9000 RR 137 |
| Arctic Cat | 2024 | ZR 9000 Thundercat 137 |
| Arctic Cat | 2024 | ZR 9000 Thundercat 137 EPS w/ATAC |
| Arctic Cat | 2025 | M 600 Alpha One Sno Pro 146/2.6 |
| Arctic Cat | 2025 | M 600 Alpha One Sno Pro 146/3 |
| Arctic Cat | 2025 | M 600 Alpha One Sno Pro 154/3 |
| Arctic Cat | 2025 | M 858 154/3.0 |
| Arctic Cat | 2025 | M 858 Alpha One 154/3.0 |
| Arctic Cat | 2025 | M 858 Alpha One Sno Pro 154/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat 146/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat 154/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat 154/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat 165/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat ES 146/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat ES 154/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat ES 154/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat ES 165/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac 146/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac 154/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac 154/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac 165/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac ES 146/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac ES 154/2.6 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac ES 154/3.0 |
| Arctic Cat | 2025 | M 858 Mountain Cat w/ Atac ES 165/3.0 |
| Arctic Cat | 2025 | M 858 Sno Pro 146/2.6 |
| Arctic Cat | 2025 | M 858 Sno Pro 154/2.6 |
| Arctic Cat | 2025 | M 858 Sno Pro 154/3.0 |
| Arctic Cat | 2025 | M 858 Sno Pro 165/3.0 |
| Arctic Cat | 2025 | M 858 Sno Pro ES 146/2.6 |
| Arctic Cat | 2025 | M 858 Sno Pro ES 154/2.6 |
| Arctic Cat | 2025 | M 858 Sno Pro ES 154/3.0 |
| Arctic Cat | 2025 | M 858 Sno Pro ES 165/3.0 |
| Arctic Cat | 2025 | Pantera 7000 ES |
| Arctic Cat | 2025 | Riot 600 135 ES |
| Arctic Cat | 2025 | Riot 858 Sno Pro ES 146/1.35 |
| Arctic Cat | 2025 | Riot 858 Sno Pro ES 146/1.75 |
| Arctic Cat | 2025 | Riot 858 w/ Atac 146/1.35 |
| Arctic Cat | 2025 | Riot 858 w/ Atac 146/1.75 |
| Arctic Cat | 2025 | Riot 9000 w/ Atac EPS 146/1.35 |
| Arctic Cat | 2025 | ZR 600 137/1.25 |
| Arctic Cat | 2025 | ZR 600 R-XC 137/1.35 |
| Arctic Cat | 2025 | ZR 600 R-XC 137/1.35 ES |
| Arctic Cat | 2025 | ZR 600 Sno Pro 129/1.25 |
| Arctic Cat | 2025 | ZR 600 Sno Pro 137/1.25 |
| Arctic Cat | 2025 | ZR 600 W/ Atac 129/1.25 ES |
| Arctic Cat | 2025 | ZR 600 W/ Atac 137/1.25 ES |
| Arctic Cat | 2025 | ZR 7000 137 |
| Arctic Cat | 2025 | ZR 858 137 ES |
| Arctic Cat | 2025 | ZR 858 R-XC 137 |
| Arctic Cat | 2025 | ZR 858 Sno Pro 137 ES |
| Arctic Cat | 2025 | ZR 858 Sno Pro ES 129 |
| Arctic Cat | 2025 | ZR 858 W/ Atac 129 ES |
| Arctic Cat | 2025 | ZR 858 W/ Atac 137 ES |
| Arctic Cat | 2025 | ZR 9000 RR 137 |
| Arctic Cat | 2025 | ZR 9000 Thundercat 137 EPS w/ATAC |
