Application: Compatible with ANY Cathedral Port Heads and will adapt to ANY rectangle port intakes, supercharger or blower. Will not fit raised port LS7 intakes.
Easy Installtion: High quality transmission adapter fitting, includes other necessary hardware.
Premium Aluminum,Intake manifold bolt lengths required when used with Car intake manifold (M6 x 130mm) Truck, intake manifold (M6 x 90mm).
High Pressure Resistance: Port cylinder head to ls1 cathedral intake adapters from 6061-T6 aircraft billet,corrosion resistance and high strength to withstand up to 3 times normal operating pressure.
Package Include: 8 x bolt, 8 x nut, 8 x O-ring, 2 x adapter plates.