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and extra stout 5mm wall thickness pins (offset like the OE for noise reduction)
We are currently offering $100 in store credit to purchase your stock catalytic converter back from you
They will correct valvetrain geometry in heads using LSx length valves
16 washers
Northstar Adapter Plate Bolts and extra stout 5mm wallThis allows you to use the 75mm inlet outlet 2000+ Northstar throttle body with a L67(Gen3) or L32(Gen5) supercharger. The dual pattern design allows for the lightest, cleanest looking adaptor plate on the market. The Gen 3 supercharger has a 72mm inlet so it is recommended to port the inlet to 75mm to get all of the gains from the larger throttlebody. Then Gen 5 supercharger inlet is already 75mm so no additional porting is required. Gen 3
