10 Rib C7 Corvette - LT1/LT4 Crank Pulley (+15% or +22%)

Maximize performance and efficiency with our precisely engineered THP Engineering C7 Corvette lower pulley crafted to perfectly coincide with the trusted ATI Super Damper. Compatible with the LT1/LT4 10 rib Supercharger Belt Drive System, this addition will elevate your vehicle's capabilities to the next level. These +15% (9.24") or +22% (9.80") overdrive crank pulley features 10 ribs (additional 2 ribs forward) with a Hard Anodized surface for long lasting performance. Note: For DRY SUMP vehicles only. Will not mount to stock crankshaft pulley, requires ATI damper #917315 for fitment.