OS ENGINES

OSM46115000 OS Gasket Carburetor 120-240 Note: Graves RC Coupons are not applicable with this product     This is the stock replacement carburetor gasket for the O.S FT-120, O.S...

OSM46110100 O.S. Prop Nut Safety FT-120 II/FT-160 Note: Graves RC Coupons are not applicable with this product     This is a Replacement Locknut Assembly form OS Engines...

OSM45968210 O.S. Intake Manifold FS-91 Surpass II Note: Graves RC Coupons are not applicable with this product     This is the Intake Manifold for the FS-91S II Four-Stroke engine.This...

OSM45960400 OS VALVE COLLET FS-70 FS-91 SURPASS Note: Graves RC Coupons are not applicable with this product     This is the replacement Valve Collets for OS engines:FS70 SURPASSFS91...

OSM45960110 OS EXHAUST VALVE FS-91 SURPASS Note: Graves RC Coupons are not applicable with this product     Set includes one Exhaust Valve for the FS-91 Surpass

OSM45926000 OS EXHAUST HEADER FS91 SURPASS Note: Graves RC Coupons are not applicable with this product     This is a Stock Exhaust Header for your O.S. FS70 & FS91 Surpass engines...

OSM45910100 OS LOCKNUT SET FS-91 SURPASS Note: Graves RC Coupons are not applicable with this product     This is the Propeller Locking Nut Set for the O.S. MaxFS-70 Surpass FS-91...

OSM45903400 O.S. Piston Ring FS-91-P Note: Graves RC Coupons are not applicable with this product     This is the stock replacement Piston Ring for the FS91-S, and 91S II.This is...

OSM45808000 OS ENGINES DRIVE WASHER FS48, OS52SUR Note: Graves RC Coupons are not applicable with this product     This washer goes directly behind the propeller and has grooves that...

OSM45761200 O.S. Tappet Screw FS-20/48 Note: Graves RC Coupons are not applicable with this product     This is the replacement tappet screw for the following OS engines:FS26...

OSM45630000 OS CRANKSHAFT Rear Bearing FS61 Note: Graves RC Coupons are not applicable with this product     This is the Rear Bearing for the OS Max FS-61 Engine. INCLUDES One...

OSM45605000 OS CONNECTING ROD FS61,61M,70S,91 Note: Graves RC Coupons are not applicable with this product     This is the replacement connecting rod for the O.S. FS61, FS61-M, FS70...