• CNC billet aluminum inner primary. Precision cut 6061 billet to ensure highest quality, tightest tolerances and best possible finish
• The kit includes a complete belt drive system with a hardened clutch center
• Belt drive uses a narrow (21mm) Gates, Poly Carbon belt
• Front sprocket is made from S7 tool steel for superior strength and wear characteristics
• Clutch basket is made from 6061 billet aluminum for strength and weight savings. Hard anodized finish
• Starter system is completely driven by precision cut gears
• Front drive gear is made from S7 tool steel to ensure longevity without any reduction in performance
• All other gears are made from 4340 steel and will be cut to AGMA class 10 or 11 specs
• High output, solenoid operated starter motor. Proven design used on large displacement V-Twins and Diesel applications
• Sealed bearings are used throughout
• System is designed to use a stock Lucas type alternator
• Easy and straight forward installation with all hardware, wiring and gaskets included
• 3 different finishes to integrate with the rest of your machine
• The kit can be used both on a Positive ground machine or a Negative ground machine
• Kit includes a starter switch and all wiring to hook it up to your bike
• The major components are all made in the USA by STS in Jacksonville, Florida

Important Notes:

• The kit will not fit on a 1975 MkIII machine as a replacement for the original
• The kit will not fit the early Commandos that have the points pod behind the timing cover
• The kit will not allow you to use the stock Amal air filter. K&N replacement is available
• The kit does not include an alternator. Be sure the one that is usedwill keep the battery fully charged, especially if running lights on at all times.
• The kit does not include a clutch stack. We do recommend a Barnett type clutch. Bronze plates should not be used
• The kit does not include an outer primary cover. Your stock one will fit
• The parts above not included in the kit are all available separately listed below if you need them

• Polish is a show polish. High luster and a bit sensitive like all polished alloys.
• Satin is a tumble finish with a silver appearance. Very durable and nice looking
• Black is an anodized, semi gloss finish