1966-74 MODELS WITH T10 4-SPEED, LOW/2nd SYNCHRONIZER SNAP RING, 0.118" THICK. 1967-72 MODELS WITH 3-SPEED TRANSMISSION 2nd AND HIGH GEAR SYNCRONIZER SNAP RING, NOTES: FOR 1967 THIS IS USED WITH 6 CYLINDER MODELS EXCEPT WITH THE H.D. T-15 TRANSMISSION; 1968-70 MODELS WITH THE 199 6 CYLINDER; 1970-72 HORNET & GREMLIN WITH THE 232 6 CYLINDER; 1968-69 REBEL & AMBASSADOR WITH THE T-15 TRANSMISSION; 1968-70 V8 AND 1971 360 V8.