System Features This DSE Hose Kit fits 1965-81 GM applications except Corvette. Pressure Fitting 11/16" -18 to -6 AN. Return Fitting 5/8" -18 to -6 AN. Early GM Gear Box With Inverted Flare Steering Gear Ports. Instructions Installation Instructions download Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65