ARP Insert Washers - 7/16 ID x .875 OD (10) 13107 This RaceQuip SFI 3

This RaceQuip SFI 3

breathable fabrics and professional fit to meet the unpredictable demands of any racing environment with supreme confidence

Fits MAC1 or MAC3

One is boost dependent for forced induction vehicles up to 35 PSI of boost (kit PN 30-3300)

ARP Insert Washers - 7/16 ID x .875 OD (10) 13107 This RaceQuip SFI 3ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Head Bolt Washer 0. 875 in