Make sure that mechanical fuel pumps stay properly aligned by using ARP durable black oxide finished chrome moly or rust proof stainless bolts(both materials are rated at 170,000 PSI and considerably stronger than Grade 8 hardware). Your choice of either conventional hex heads or 12 point head. Washers are included.

Product Features:

• Nominally Rated At 170,000 PSI Tensile Strength
• Properly Aligned
• Considerably Stronger
• Black Oxide Finished Chrome Moly
• 170,000 PSI