The Cometic C7124 72mm Top End Gasket Kit is designed for rebuilding the upper engine assembly on select Polaris 250 ATV models. This kit helps restore proper sealing between critical engine components while supporting reliable compression and torque retention. The 72mm size is engineered for compatible Polaris Big Boss 250 6X6 and Trail Boss 250 2X4 and 4X4 applications.
Built by Cometic and identified by manufacturer part number C7124 and vendor part number C7124, this top end gasket kit is made for dependable service during engine maintenance or repair. The included gasket materials are selected to provide a secure seal, flexibility, and durability under operating conditions. The kit also raises compression for improved low-end power when used with the appropriate compatible engine configuration.
Features include graphite gaskets with a steel core laminated on both sides with flexible graphite, fiber gaskets designed for maximum sealing performance and torque retention, and O-ring gaskets that meet or exceed OEM specifications. Verify the engine configuration and application before installation to ensure proper fitment. The Cometic C7124 fits 1991-1993 Polaris Big Boss 250 6X6 models, 1988-1993 Polaris Trail Boss 250 2X4 models, and the 1989 Polaris Trail Boss 250 4X4.
Features:
- Compression Improvement: Raises compression to support better low-end power on compatible engine configurations
- Graphite Gaskets: Feature a steel core laminated on both sides with flexible graphite
- Fiber Gaskets: Designed for maximum sealing, flexibility, and torque retention
- O-Ring Gaskets: Meet or exceed OEM specifications for dependable sealing
- Application Fitment: Fits select Polaris Big Boss 250 6X6 and Trail Boss 250 2X4 and 4X4 ATV models
- Brand and Part Number: Cometic C7124, manufacturer and vendor part number C7124
Fitment:
1985 Polaris Trail Boss 250 2X4
1986 Polaris Trail Boss 250 2X4
1987 Polaris Cyclone 250X
1987 Polaris Trail Boss 250 2X4
1988 Polaris Trail Boss 250 2X4
1988 Polaris Trail Boss 250 4X4
1988 Polaris Trail Boss 250R/Es
1989 Polaris Big Boss 250 4X6
1989 Polaris Trail Boss 250 2X4
1989 Polaris Trail Boss 250 4X4
1990 Polaris Big Boss 250 4X6
1990 Polaris Trail Blazer 250
1990 Polaris Trail Boss 250 2X4
1990 Polaris Trail Boss 250 4X4
1991 Polaris Big Boss 250 4X6
1991 Polaris Big Boss 250 6X6
1991 Polaris Trail Blazer 250
1991 Polaris Trail Boss 250 2X4
1991 Polaris Trail Boss 250 4X4
1992 Polaris Big Boss 250 4X6
1992 Polaris Big Boss 250 6X6
1992 Polaris Trail Blazer 250
1992 Polaris Trail Boss 250 2X4
1992 Polaris Trail Boss 250 4X4
1993 Polaris Big Boss 250 6X6
1993 Polaris Trail Blazer 250
1993 Polaris Trail Boss 250 2X4
1993 Polaris Trail Boss 250 4X4
1994 Polaris Trail Blazer 250
1994 Polaris Trail Boss 250 2X4
1995 Polaris Trail Blazer 250
1995 Polaris Trail Boss 250 2X4
1996 Polaris Trail Blazer 250
1996 Polaris Trail Boss 250 2X4
1997 Polaris Trail Blazer 250
1998 Polaris Trail Blazer 250
1999 Polaris Trail Blazer 250
2000 Polaris Trail Blazer 250
2001 Polaris Trail Blazer 250
2002 Polaris Trail Blazer 250
2003 Polaris Trail Blazer 250
2004 Polaris Trail Blazer 250
2005 Polaris Trail Blazer 250
2006 Polaris Trail Blazer 250