ROSS Ford 4.0L SOHC (Triggered) (Underdriven 20%) Race Series Harmonic Damper 206501-UD20

Description:

Rated for 1,000hp
Modular design to cater for varying pulley combinations and ratios whilst maintaining damping mass performance
Features 20% under-driven crank pulley to protect accessories at high RPM
Assembly mass optimised for high RPM race applications
Designed and manufactured in-house using CMM, 3D modelling and state of the art CNC technology
Bonded using our proprietary Ross Tuffbond process incorporating anti-vibration, anti-tear natural rubber
Laser etched 360° timing marks
High-quality black finishes
Seamless integration of Ross trigger disc and dry sump drive adaptor
Utilises grade 10.9 or better hardware
Complies with SFI 18.1
This product suits NF, EF, DF, AU & AU VCT (variable cam timing) models.

Note, as per OEM, design includes trigger.