Mahle Original upper intake manifold gaskets provide world-class sealing
keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle
StableSteer valving provides improved tire contact with the road for control
Rotary Vane
they're made from 6061-T651 aluminum alloy with the impeccable machining and finish you've come to expect from all Aeromotive components
ARP Pressure Plate Bolts 12 Point, Chromoly, Black Oxide, Chev 454 BBC # 230-220 Rate_20 Mahle Original upper intake manifoldARP Pressure Plate Bolts 12 Point, Chromoly, Black Oxide, Chev 454 BBC # 230 220 Pressure Plate Bolts, Pro Series, 12 Point, Chromoly, Black Oxide, Chevy, Big, Small Block, Kit Fastener Style: Bolt Thread Size: 3 8 in. 16 Fastener Material: Chromoly Fastener Color: Black oxide Fastener Head Style: 12 point Wrench Diameter: 9 16 in. Underhead Length (in.): 1. 000 in. Fastener Tensile Strength (psi): 200,000 psi Washers Included: Yes Nuts Included: No