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Black Smooth Top & Sides with White Pipping as O
M Part number is 37-1467 or W1467
Intake / exhaust valves are sold in sets - use the drop down menu to select which brand / finish you desire
* New English Made Original NOS BSA 500 & 650 Unit Twins Crankshaft Oil Pump Worm Gear
Also fits various BSA C11 & C12
BSA Unit Twins NOS Crankshaft Oil Pump Worm Gear Pinion 68-0050 1962-72 A50 A65 Grommet Black Smooth Top & Sides*Stock Is Limited!* New English Made Original NOS BSA 500 & 650 Unit Twins Crankshaft Oil Pump Worm Gear. For the unaware, these Worm Gears do wear out! Especially if your Crank isn't shimmed properly! This part does show some shelf wear as it is approx 45+ years old! Still Good and ready to use! Fits all BSA Unit 500 & 650 Unit Twins (Lightning, Star Twin, Rocket, Wasp, Thunderbolt, Firebird Scrambler, Etc) from 1962 1972. Please refer to your parts
US$ 1050.50
US$ 1000.00
US$ 824.50