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BILTWELL MURDOCK RISERS 4" CHROME
Note: Thicker stock seals may damage S&S manifolds
Machined from 6061-T6 billet aluminum
OEM replacement reference 31341-80
all others may / will require clearancing and require high lift valve springs
Cometic, gasket inner primary cover. AFM - 95-06 Softail, Dyna (excl. 2006 Dyna) (NU) 514360 BILTWELL MURDOCK RISERS 4" CHROMEAFM (Aluminum Foamet Material). Used on primary inside to seal off the stand off studs for the outer primary cover. Repl. 63859 95A, 63859 95B. Cometic's AFM gaskets have an aluminum core with a chemically blown, compounded nitrile synthetic thin foam like rubber layer bonded to both sides. Temperature resistant to over 250F (122C). AFM rubber has a 85% recovery while maintaining strong torque retention. Re torqueing, gasket sealers or silicone beads
