James, Evo cyl. head & base gasket kit. .062" Firering - 84-99 Evo B.T.; 86-22 Evo XL (excl. XR1200). With 3 5/8" big bore cylinders (NU) 989141 Mounting note: Model specific hardware

Mounting note: Model specific hardware kits are available as 559463 for 91-03 Sportster

AVON AM26 3

but noise reduction and aerodynamics has been substantially improved

Waterproof with stop

Black powder coated finish with a chrome plated star cover

James, Evo cyl. head & base gasket kit. .062" Firering - 84-99 Evo B.T.; 86-22 Evo XL (excl. XR1200). With 3 5/8" big bore cylinders (NU) 989141 Mounting note: Model specific hardware3 5 8" big bore. Kit to service one engine. Includes . 062" (. 055" final crush) Firering head gasket with armor and . 016" thick paper base gasket Oil return O rings are not included and not required.