Est engine gaskets & seals sportster 1200 cc 1991/2003 rpls 17026-91a cometic c9758f-by-Cometic

EST (extreme sealing technology) Gasket Sets are considered the best available.
Head gaskets are a .
040" thick 3 piece rubber coated stainless steel and can withstand compression ratios up to 15:1.
Base gaskets are rubber coated stainless steel that measure .
020" thick.
Lower rocker cover gaskets are 1 piece rubber coated stainless steel that measure . 020" thick.
The middle & upper rocker cover gaskets are made from rubber.
The primary cover gasket & gear cover gasket are made from a synthetic foam material bonded to an aluminum base sheet.
Includes low restriction exhaust gaskets & viton valve seals