Inner Primary Bearing/Seal Kit 25-3101 HD

Inner Primary Bearing/Seal Kit 25-3101 HDALL BALLS starter motors are manufactured with all new components that have been fine tuned for starting the H D V twin engine. Our clutches utilize 20% oversize rollers, and the idler gears are manufactured from cold headed steel. End frames are cold chamber die cast and machined on precision fixtures. Armature hairpins are resistance fused to the commutator. All starters are supplied with a 10 32 threaded output shaft, and a conversion bolt for the

ALL BALLS starter motors are manufactured with all new components that have been fine-tuned for starting the H-D V-twin engine. Our clutches utilize 20% oversize rollers, and the idler gears are manufactured from cold-headed steel. End frames are cold-chamber die cast and machined on precision fixtures. Armature hairpins are resistance-fused to the commutator. All starters are supplied with a 10/32 threaded output shaft, and a conversion bolt for the earlier 1/4-20 threaded output shafts.
Quality design and construction of every All Balls piece meets the toughest standards and conditions - from daily commuting to full-on racing, all older bearing and seal designs are upgraded to the best and latest specs and designs. All the bearings & seal required to refit a wheel in one convenient package. Premium high-speed bearings feature low drag, double lip seals on both sides to provide superior exclusion of water & dirt & improved grease retention.