Lingenfelter products are usually in stock and ship fast.  If you want to double check please feel free to email info@juicedmotorsports.com
LINGENFELTER - L220146109 - $129.95
2009-13 ZR1 LS9 CORVETTE 10 BOLT 2.6"  PULLEY RING
Pulley diameters are measured with a 2.5 mm check ball. If measuring the pulley diameter directly with a caliper the diameters will be closer to 2.60 inches and 2.35 inches The 2.38 inch pulley when combined with our 14% overdrive damper will result in a supercharger speed 23,000 RPM at 6,500 RPM engine speed. Based on LPE testing we do not recommend exceeding 23,000 RPM on the LS9 supercharger.

Modifications listed on this page will requires recalibration of the factory ECM.

C6 ZR1 LS9 2.60 11 Rib 10 Bolt Pulley for use with to be used with ZR1 Supercharger snout or supercharger front cover.

10 Bolt Supercharger Pulley Choices stock balancer
2.60 inch - 19% OD - 18,300 RPM supercharger speed*
2.35 inch - 32% OD - 20,300 RPM supercharger speed*

10 Bolt Supercharger Pulley Choices overdrive balancer
2.60 inch - 36% OD - 20,800 RPM supercharger speed*
2.35 inch - 50% OD - 23,000 RPM supercharger speed*

*Measured at 6,500 RPM engine speed / Stock supercharger speed 15,400 RPM
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