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Ships within 48 hours · Estimated delivery Oct 22 - Oct 27
Includes CNC-machined 6061 aluminum spring perch adjuster rings (2)
These valve covers are cast from 356-T6 aluminum with thick mounting flanges that resist warping from over-torquing
All hardware is included
Professional installation is recommended to verify proper O2 sensor operation post-installation
Operating range covers -5
ATI Performance Products ATI918911 ATI Super Damper Standard Harmonic Balancers ARP High Performance Series Main Bolts Includes CNC-machined 6061 aluminum springThe ATI Performance Products ATI918911 ATI Super Damper Standard Harmonic Balancers is a high performance SFI approved harmonic balancer engineered to protect your crankshaft from destructive torsional vibrations. As a tuned mass damper, it absorbs and dissipates the twisting forces that build up in the crankshaft with every power stroke. Without proper dampening, crank harmonics can fatigue rods, snap bolts, and destroy bearings. SFI 18. 1 certified
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