GILMER DRIVE KIT HOLDEN 253 308

Speedmaster gilmer drive kits are aluminium machined and precision made for your street or race engines. Eliminate your belt throwing problems. They provide higher power and torque transmission, improved meshing to reduce tooth jump, greater resistance to tooth shear, and reduced friction to extend their life.Use 420L150 Gilmer belt (Part No. AF65-1004) with factory HQ style alternator bracket. May need different belt with aftermarket alternator brackets.Use 435L150 Gilmer belt (Part No. AF65-1006) if using Aeroflow alternator bracketNotes: 1. When using with early short water pump style engine, you must use AF64-3005 spacer.2. If equiped with power steering, modifications may be required to the power steering bracket. Pump requires the use of AF64-3010 pulley.