Manufacturer & Distributor Part Numbers:  
Darkhorse Motor Company Punctuated Part#:  DH-ROT-K
Darkhorse Motor Company NON-Punctuate Part #:  DHROTK
Drag Specialties Punctuated Part#:  3801-0442
Drag Specialties NON-Punctuate Part#:  38010442

TIR Tool - Pinion Shaft/Sprocket Shaft - Black - Universal

Features

• Install the supplied indicator in the corresponding laser marked hole and attach to either the cam plate mount surface or inner primary using the supplied thumbscrew and rotate tool arm to “touch off” on the corresponding shaft to measure the TIR, quickly and accurately
• The tool measures total indicated runout of either the pinion shaft or sprocket shaft with the unique capability to accurately determine what the actual run-out the compensators operate with on '07 & later models
• Features 5 small cylindrical magnets that attach into the grooves of the fine-splines and allow the indicator to also measure if the splines are cut off-center
• Made in the USA

Specs