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Soft running enough to absorb vibrations for street use yet rugged for racing use
Designed for use on cylinder heads with relocated intake ports
D150 Threaded Design1979
DEI Locking Ties
Stainless Hex
ARP Stainless Steel Bolts 2.500 in. # 612-2500 Rate_Special Soft running enough to absorbARP Stainless Steel Bolts 2. 500 in. # 612 2500 Bolts, 12 Point Head, Stainless 300, Polished, 5 16 in. 18 RH Thread, 2. 500 in. UHL, Set of 5 Fastener Type: Bolt Thread Size: 5 16 in. 18 Fastener Head Style: Flanged 12 point Underhead Length (in.): 2. 500 in. Fastener Material: Stainless steel Fastener Color: Polished Fastener Grade: ARP Stainless 300 Fastener Tensile Strength (psi): 180,000 psi Wrench Diameter: 3 8 in. Washers Included: Yes
