Innovators West: 2014 - up Gen 5 EcoTec3 L83 5.3L and L86 6.2L 8-Rib, 10% Overdrive Size:10% Overdrive 8.25" Longer bolts used to retain

Longer bolts used to retain drive mandrels stretch when they get hot and should not be used

The VX1 is machined from a single forging of 6061-T6 aluminum

For use with most popular aftermarket gear ratios

The combination of the release of residual machining stresses and burnishing of threads and bolt spot faces ensures that big end bores stay round regardless of how many times your rods are disassembled and reassembled

ARP Head Studs:  ARP Pro Series kits are also available with 12-point nuts

Innovators West: 2014 - up Gen 5 EcoTec3 L83 5.3L and L86 6.2L 8-Rib, 10% Overdrive Size:10% Overdrive 8.25" Longer bolts used to retainSFI 18. 1 Stock Diameter, 8 Rib, 10% Overdrive Harmonic Balancer for the Gen 5 EcoTec3 L83 5. 3L and L86 6. 2L GMC and Chevy Trucks. Specifications Belt Drive: 8 Rib Diameter: 10% Overdrive Weight: 7 lbs Exceeds SFI 18. 1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit. Instructions Damper Installation Instructions [PDF Format].