O.S. 15CV-X Cylinder & Piston Sleeve Assembly + Piston Pin 21503000/21706000 New

O.S 12CV-R or 15CV-R Crankcase Model 21501030 New Old Stock Rare!

RARE HPI Racing 1702 Heat Sink Head Cooling Head for Nitro Star 12E Purple

O.S CV-R 18 Recoil Starter ASSEMBLY

Barrel Set OS Engine 12 TG Nitro Motor Spare Part ‎OSMG4812 Kyosho KWC 21413000

21982000 Carburetor Carb 11K #11K Slide Fit For OS 18TZ and 21TM engines

O.S. ENGINE 21252040 CRANKSHAFT FOR 12CV-RX NEW OLD INVENTORY

OS Engines .21 VZ-R On-Road Nitro Pre-Cut Non SG Style Crankshaft & Bearings