PROPULSION

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 located on the piston and seals it against the cylinder wall...

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 Surpass FS-120 Surpass SE91 FX FS-91 Surpass II FS-120...

OSM45914010 O.S. Gasket Set FS-91-P Note: Graves RC Coupons are not applicable with this product     This is a Replacement Gasket Set for the O.S. FS-91SII(P) Engine. INCLUDES One Head gasket - This very thin metal gasket seals the...

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

OSM45960210 OS ENGINES Valve Spring FS70 SII Note: Graves RC Coupons are not applicable with this product  

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 SURPASS INCLUDES 2- Valve Collets...

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 manifold is for the non-pump engine...

OSM45984900 O.S. Needle Assembly #60R Note: Graves RC Coupons are not applicable with this product     This is the Replacement Needle Valve Assembly for the #60R Carburetor used on O.S. Max FS70S II, FS91S II Four Stroke 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 FT-160,and the O.S FF-240. The carb gasket goes between the...

OSM46120000 OS THRUST WASHER FT-120/160 Note: Graves RC Coupons are not applicable with this product     This is the replacement thrust washer for the following OS engines:.61 SF/RF FT120-FT160.70-.91 Surpass .61 SX.61SFN .61 RX.65VR-.91VR...

OSM46160400 OS VALVE SPRING RETAINER 90-300 Note: Graves RC Coupons are not applicable with this product     This is the replacement Valve Spring Retainer for OS engines:FT-120 FT-300FT-160 FF-320FS-52 Surpass INCLUDES 2-Retainers...

OSM46169000 OS EXHAUST PIPE ASSEMBLY T120160 Note: Graves RC Coupons are not applicable with this product     This is the replacement exhaust pipe assembly for the OS FT-120II & FT-160engine. It is unthreaded and screws into the...