Speed Inc SI9 Supercharger Cam 228/242

$439.99

Moderately aggressive idle lope, minor to no loss in . Minimal overlap to maintain boost levels. 800+rwhp capable and stable well over 7000+rpm. This is the grind we use in our Level IV ZR1 SuperCar Package, and our Level V LSA packages. Quality dual valve springs with proper spring rate shimming are required.

SKU
SI9

Moderately aggressive idle lope, minor to no loss of drivability . Minimal overlap to maintain boost levels. 800+rwhp capable and stable well over 7000+rpm. This is the grind we use in our Level IV ZR1 SuperCar Package, and our Level V LSA packages. Quality dual valve springs with proper spring rate shimming are required. 

 

Speed Inc SI9 Custom Cam
228-242 @.050

.604" lift/.622" lift

 

Our cams are custom ground for us by Comp Cams. 3-bolt core is standard, but available in single bolt for newer GenIV engines. We also offer a 3 bolt cam conversion kit for those with an original single bolt LS3 who want to upgrade to the stronger 3 bolt design.

 

More Information
SKU SI9
Manufacturer Speed Inc
Application Guide

Designed for LSA and LS9 applications, but can be used in all GenII and GenIV powered GM Vehicles

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