100% cotton shell & 100% poly lining
Compatible with OEM and all S&S 74" and 93" KN-series (Knuckle style) engines
They will not provide the brake efficiency of a stock 11-1/2" diameter brake rotor
Used to remove oxygen sensors
Installs shifter shaft seal effortlessly centered
CHROME DERBY COVER BOLT KIT TORX 933567 100% cotton shell & 100%Chrome Bolt SetSocket head bolt sets to meet virtually any custom need Complete motor sets for 07 and later Big Twin include bolts for primary, cam, cam sensor, derby, rocker box, transmission top, transmission side, lifter block and clutch covers Complete motor sets for 87 94 Big Twin include bolts for cam, primary, point, clutch, inspection and chain covers, lifter base, inner primary, top front and rear motor mounts, timing plug and header mount