Tied Helix - ER
Developed to produce a quick upshift and improved backshift for excellent throttle response
Dual-angle-option helix offers fine-tuning for changing conditions
ER helixes are for Ski-Doo and Polaris machines with engine reverse
Type F = full progressive; type .46 = .46 progressive
Helixes for TIED and TSS-04 clutches are NOT interchangeable.