K&B 3.5cc / .21 Inboard Marine Nitro Model Engine Parts | 8789, 8544, 8395, 8404

K&B 3.5cc / .21 Outboard Marine Nitro Model Engine Parts

K&B 8400 Back Plate For All 3.25/.20 & 3.5/.21 Front Valve Nitro Model Engines

Ofna Hobao Hyper .21 Nitro Engine

K & B MUFFLER AND ENGINE MOUNT BACK PLATE

Vintage OPS Engine 7115 Bottom End Needle for Carburetor .21 3.5cc Old Stock NIB

K&B 6.5cc .40SR Nitro Model Airplane Engine Parts - 8006, 8663, 8520, 7743, 8784

K&B 8394 Crankshaft Part For K&B .3.5 Engine 8900