ARP 129-0901 GM V6/V8 hex bellhousing bolt kit ymm_41 a new plug is included

a new plug is included to disable the EGT sensor

470˝ Thread Size M10˝ washers included

this product was designed to upgrade the Akrapovič system for further tuning

especially pronounced through gear changes and under acceleration

ARP 129-0901 GM V6/V8 hex bellhousing bolt kit ymm_41 a new plug is includedSpecifications Socket Size(s) 7 16 hex OAL 1. 375 Thread Size 3 8 16 Fastener Style: Bolt PackageType: Skin Finish: Black Material: 8740 Chrome Moly Head Type: Hex Quantity: Kit Supported Vehicles: Chevy 150 1955 1957 210 1955 1957 3100 1956 1958 3200 1955 1958 3400 1955 1958 3500 1955 1958 3600 1955 1958 3700 1955 1958 3800 1955 1958 3B 1959 3C 1959 3D 1959 3E 1959 3F 1959 3G 1959 Astro 1985 2005 Bel Air 1955 1975, 1981 Biscayne 1958 1972 Blazer 1969