Peak spark voltage increases by at least 20%
13 Series Shock Springs13 Series O/R shocks contain Freon cells for fade-free performance
Complete with oil seals for starter shaft bearing and mainshaft bearing
critical oil passages and precision matched oil port holes increase oil flow to lifters
CHROME SOCKET-HEAD SPROCKET COVER BOLT KIT SMOOTH 534134 Peak spark voltage increases byChrome 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