The ATI crankshaft damper is a 7.074-inch aluminum damper for Ford small-block and six-cylinder engines using the 4-bolt OEM pattern, supplied with three-ring construction and 3.35-inch overall length with cam timing (C-timing) noted. It specifies 7.074 in diameter, aluminum build and three rings, matching the dimensions and bolt pattern used on compatible Ford SB and six-cylinder applications.
ATI Damper - 7.074in - Alum - Ford SB & 6 Cyl - 4 Bolt OEM - 3.35in Long - C-Timing - 3 Ring