Synchronizer Parts 1947-1959 GM SM420

Shop now for Synchronizer Parts for 1947-1959 GMC trucks with SM420 Muncie 4 speed transmissions.

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3 products

QU30342 3-4 Brass Synchro Ring for 1959-1967 SM420 Transmission Torque King 4x4
Quad 4x4
QU30342 3-4 Brass Synchro Ring for 1959-1967 SM420 Transmission Sale price$32.98
QU30442 SM420 2nd Gear Synchronizer Ring Torque King 4x4
OEM-MFR
QU30442 SM420 2nd Gear Synchronizer Ring Sale price$125.00
Torque King
QU30639 SM420 3-4 Synchro Assembly Sale price$349.98

Shop now for Synchronizer Parts for 1947-1959 GMC trucks with SM420 Muncie 4 speed transmissions.