Product Description

No Returns on this product, if you have questions about it, Please call before ordering.

These are blue printed and assembled in the USA with the engagement set at 4,000 rpm’s. 1/2 turn in on each spring will raise your engagement by about 200 rpm’s. 1/2 turn out will lower by about 200 rpm’s.

Add on sprockets will be Bully or Tuck-n-Run depending on availability.