Fitments
99-17 Twin Cam (excl. 14-16 Twin Cooled) with 4-1/8" bore cylinders (NU)
Part Description
Cometic, cylinder base gasket set. SLS 4-1/8" big bore
Front & rear gasket for one engine. .010" thick SLS (Single Layer Steel), a non-embossed steel core with a .001" thick coating of heat resistant nitrile rubber on both sides.