OS ENGINES

OSM45526200 O.S. Exhaust Joint 120 Surpass Note: Graves RC Coupons are not applicable with this product     This is the replacement Exhaust Joint for the following OS engines:FS-120...

OSM45513010 OS ENGINES SCREW SET FS-120 SURPASS Note: Graves RC Coupons are not applicable with this product     Set includes the Rocker Cover bolts, Cylinder Head bolts, Cam Cover...

OSM45508200 OS WOODRUFF KEY FS120,140,160,320 Note: Graves RC Coupons are not applicable with this product     The Woodruff Key is a small, semi-disk that locks the Drive Washer to...

OSM45281700 O.S. Carburetor Screw FS-20 Note: Graves RC Coupons are not applicable with this product     This item is the screw that holds the carb to the engineon the O.S. FS20, FS40...

OSM45231100 OS CAMSHAFT BEARING FS40-FS120 Note: Graves RC Coupons are not applicable with this product     This is the replacement camshaft bearing for the Surpass series of...

OSM45024000 OS SPINNER NUT 60-91 Note: Graves RC Coupons are not applicable with this product     This is a spinner nut set from OS Engines for the OS Max 60FP, 61FX & 65LA.It...

OSM44281900 OS NEEDLE ASSEMBLY #40N Note: Graves RC Coupons are not applicable with this product     This is the stock replacement Needle valve assembly for the O.S.FS.52Surpass. This...

OSM38000 O.S. GT55 Gasoline Engine Note: Graves RC Coupons are not applicable with this product     This is the O.S. GT55 Gasoline Engine with Electronic Ignition...

OSM35540 O.S. FS-120 III Surpass Ringed 1.20 4-Stroke w/Pump Note: Graves RC Coupons are not applicable with this product     This is one of the O.S. Surpass series of 4-stroke model...

OSM35430 O.S. FS155-a Alpha Series 1.55 4-Stroke Pumped Engine Note: Graves RC Coupons are not applicable with this product     This is the FS155-a P Four Cycle Engine with Pump System...

OSM30900 O.S. FS95V Ringed 4-Stroke Engine Note: Graves RC Coupons are not applicable with this product     Featured: Broad power band for a wide variety of airplanes including models...

OSM29514000 OS GASKET SET 91FX,SX Note: Graves RC Coupons are not applicable with this product     This is a Replacement Gasket Set for the OS Max .91FX Engine. INCLUDES One Head...