"A picture is worth a thousand words". Then these 7 actual pictures speak for them selves. Absolutely MINT condition, not one minute spec of rust, no spun bearing hubs, no wear inside case halves where the clutch hubs ride, all original matching parts. You won't find a better 3 series Factory OEM Dana Powr-Lok positraction unless it's NOS brand new! This unit is the improved 2nd design which uses 10 clutches over the early 8 clutch and has 45 degree ramp angles over the early 30 degrees also user the 3/8"-24 Left Hand case bolts over the early 3/8"-16 RH bolts. It has a new "correct" obsolete Dana 22719X clutch kit witch includes the correct 2 piece 0.060" thick 4 tab clutches you can't get anymore. Parts marked upon disassembly to be reassembled with correct lube in proper order. Clutches soak in pure whale oil. Will fit 3.08 3.36 3.55 and 3.70 GM also made thick gears from the 4 series line to fit. *Technical info* Number on lower case, C-30743X and it has the GM Winters Foundry Snowflake and a number 4. The top case, cast number C30745 and assembly line stampings on the top side face, 22158X 6 12 63 B Compatible with Models:

　　Bel Air: 1955 - 1964 (Rear) Biscayne: 1958 - 1964 (Rear)

　　Corvette: 1956 - 1962 (Rear) El Camino: 1959 - 1964 (Rear)

　　Impala: 1957 - 1964 (Rear) Nomad: 1955 - 1962 (Rear)

　　Nova: 1962 - 1963 (Chevy II Nova third members requires special conversion bearings used on 2000 up 10 bolt 8.6" carriers. LM102949 cone & LM102911 cup) $300.00 cash local pic up or shipped insured, PayPal or US postal money order. NO TEXT. Call