Pro Feature Set and Pro Link is provided FREE of charge (plus shipping)
To avoid the hassle of taking your vehicle in for any management software related issues
you can upgrade your E41 ECM in roughly 20 minutes—all you need is this upgrade kit
providing maximum flexibility
Purpose-built for performance oils - If you're running high-end synthetic oil
LSA, 6.2, GMP, MLS HEAD GASKET, SINGLE, 7 LAYER 12622033 VCM CHAIN Pro Feature Set and ProChevrolet Performance composition head gaskets are recommended for stock and mildly modified engines. Head Gasket, 7 Layer, 4. 100 in. Bore, . 054 in. Thickness, Chevy, 6. 2L, LS9, LSA GM12622033 **Please note these are Sold Individually 2x required to do 1 Engine**