Cometic Top End Gasket Kit
All Cometic top-end gasket kits are complete with head and base gasket
Designated kits include reed, power valve and exhaust gaskets
Cometic graphite head gaskets are manufactured from non-asbestos flexible graphite laminated to a stainless steel core
Cometic graphite material is impervious to fuels, coolants and oils
High-Performance kits come with a .012 in. thick base gasket to increase your bikes compression ratio
Gaskets are manufactured to the same high level quality as Cometics standard gasket sets
Bore Size: 90mm

Included Items:
(1) Base gasket
(1) Head gasket

Specs
Product Name Gasket Kit
Type Top End
Model Hi-Performance
Material CFM-20
Bore Size 3.543" / 90.00 mm
Thickness 1.09 mm / 0.043"
Engine Type 4-Stroke
Units Kit
Riding Style Adventure Touring / Dual-Sport / Off-Road / Street

Package info
Weight 0.15 lbs
Height 0.21
Length 8.6
Width 8.1

1976-1981 Yamaha XT500
1976-1981 Yamaha TT500