User guide

Page 38.
Lingenfelter Performance Engineering
1557 Winchester Road
Decatur, IN 46733
(260) 724-2552
(260) 724-0422 fax
www.lingenfelter.com
L250110309 2009-2013 ZR1 Lingenfelter LS9 Supercharger Front Cover v2.2.indd
Table 1 - Belt and pulleys for different supercharger pulley and damper tments:
Description Belt Belt PN Idler Idler kit PN Pulley
ratio
OD% SC speed @
6500 RPM
stock damper/stock
SC pulley
stock 2137 mm 11 rib belt 12627521 stock 90 mm NA 2.4 NA 15376
stock damper w 2.6
SC pulley
stock 2137 mm 11 rib belt 12627521 100 mm L250130309 2.8 19% 18333
stock damper w 2.35
SC pulley
82.5 inch 11 rib belt K110825 76 mm L250120309 3.1 32% 20321
14% OD damper w
stock SC pulley
2185 mm 11 rib belt 11PK2185 stock 90 mm NA 2.7 14% 17495
14% OD damper w
2.6 SC pulley
2160 mm 11 rib belt 11PK2160 stock 90 mm NA 3.2 36% 20859
14% OD damper w
2.35 SC pulley
stock 2137 mm 11 rib belt 12627521 76 mm L250120309 3.6 50% 23078
Many other items are available from LPE for your ZR1 Corvette including low temperature
thermostats, camshafts, ported throttle bodies and much more. Contact LPE, visit our web site, or
contact your LPE distributor for information about our other products.
For additional product installation information and technical support, contact LPE or your LPE
products distributor. You can also nd technical support and usage discussions regarding this product
and many other LPE products in our Internet forums:
http://www.lingenfelter.com/LPEforumles