TCI Speedo Driven Gear GM 21Teeth Red 3552024-155- M 8L manifold is designed for

8L manifold is designed for engine displacements of up to 427 cubic inches

Popular "044 Style" physical configuration but with AN inlet & discharge port connections

1968-1968 GMC C15/C1500 Suburban

M1-V Radio

TCI Speedo Driven Gear GM 21Teeth Red 3552024-155- M 8L manifold is designed forGM Powerglide 200C 375B 475 21 Tooth Speedo Drive Gear.. 21 Tooth GM Speedo Drive Gear. Speedometer gears include both the drive gear and the driven gear. The drive gear refers to the gear that is on a transmissions output shaft. The driven gear is located in a removable housing, usually in the tailhousing, of transmissions. Be aware that some transmissions will have different driven gear housings depending on the tooth count of the driven gear. TCI