O.S. Engines

Carburetor 21M: 21XZ-R VII

Carburetor Body: 21M(B), 21XZ-R Speed

Carburetor Washe:r #20A, B

Crankshaft: 25XZ

Exhaust Seal Ring (10)

Remote Needle Bracket: 160FX

Cam Follower: 200 Surpass

Carburetor Body: 40K, 46AXII

Carburetor Rotor: 61H, GT15

Choke Shaft: WLA-2, GT55

Connecting Rod: 140RX

Connecting Rod: GT33

Drive Washer: 91FX

Fuel Inlet: #61B, 91HZ

Needle Valve Holder Assembly: 91SZ-H Hyper

Pushrod Cover: FS-91 Surpass

Pushrod Cover Assembly: FS72 Alpha

Pushrod Cover Set: Sirius 7

Piston Ring: FS-70 SII

Cover Plate Screws (10): 120AX

Standoff 5x25.4mm 1" (4): GT55

Valve Assembly Intake: FS-91 Surpass

Crankcase: 46AXII

Cylinder Liner: 200 Surpass