QU30000 SM465 to NP205 Torque King 10 Spline Coupler. Includes 2 internal grooves with snap rings to keep Coupler properly centered on the 2 shafts. Imported in unfinished state, finish work is done by us here in Montana. Fits 1973 to 1984 Chevy and GMC 4x4s with SM465 4 speed manual transmission.

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Dan the Gear Man Tech Notes:
Snap Rings
Worn Splines
Matching Parts

Tech Note 1: Snap Rings
QU30000 includes the 2 locating snap rings that keep the coupler fully engaged on both the transmission output shaft and transfer case input shaft.

Tech Note 2: Worn Splines
Spline Couplers rarely break, but internal spline wear is fairly common. If your coupler splines are worn there is a good chance the matching shaft spline is also worn. Installing a new Coupler on a worn shaft will only be a short-term fix as the worn shaft splines will quickly wreck the coupler splines.

Tech Note 3: Matching Parts
Matching Parts for QU30000 10 Spline Coupler:
QU30034 SM465 4 Speed Transmission to Adapter Gasket
TK10516 Adapter to NP205 Transfer Case Gasket
QU50209 NP205 Input Seal
QU50284 10 Spline NP205 Input Shaft
Chevy & GMC Shop Manuals

Applications
Chevy/GMC:
SM465 to NP205: 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985