PROPULSION

OSM72108300 OS FLEX EXHAUST EXT FS40S Note: Graves RC Coupons are not applicable with this product     This flexible tubing replaces your existing header and allows you tore-route your silencer farther away from the engine or cowl. This...

OSM72108310 OS FLEX PIPE L 4048S Note: Graves RC Coupons are not applicable with this product     This flexible tubing replaces your existing header and allows you tore-route your silencer farther away from the engine or cowl. This ONLY...

OSM72109680 O.S. M11 In-Cowl Exhaust Header Pipe Side 60D FS72A Note: Graves RC Coupons are not applicable with this product     O.S. M11 In-Cowl Exhaust Header Pipe Side 60D FS72A

OSM72112000 O.S. Universal Silencer Assembly Note: Graves RC Coupons are not applicable with this product     O.S. Universal Silencer Assembly

OS GAUGES & TOOLS 4 STROKE Note: Graves RC Coupons are not applicable with this product     This is a Valve Adjusting Kit for All OS Max 4-Stroke Engines. FEATURES This set includes all the tools needed to adjust the valves on...

OSM72200080 OS Needle Ext Cable FR5 300 Note: Graves RC Coupons are not applicable with this product     The needle valve extension cable is designed for use with OS engines:FT-300 & FR5-300 INCLUDES 1- Extension cable1-...

OSM72403070 OS ENGINES High Pressure Check Valve: 91HZ-R Note: Graves RC Coupons are not applicable with this product     OS ENGINES High Pressure Check Valve: 91HZ-R

OSM74004004 O.S. Security Ring OMA-38 Series Note: Graves RC Coupons are not applicable with this product     This is the Security Ring for the O.S. 25 and 30 Brushless Electric Motors. FEATURES Metal...

OSM74004010 O.S. Main Shaft 3820-1200 .25 Note: Graves RC Coupons are not applicable with this product     This is the Main Shaft for the O.S. 25 Brushless Electric Motor. FEATURES Steel construction   INCLUDES Main Shaft...

OSM74004015 O.S. Main Shaft 3825-750 .30 Note: Graves RC Coupons are not applicable with this product     This is the Main Shaft for the O.S. 30 Brushless Electric Motor. FEATURES Steel construction   INCLUDES Main Shaft...

OSM74004020 O.S. Main Shaft 5020-490 .40 Note: Graves RC Coupons are not applicable with this product     This is the Main Shaft for the O.S. 40 Brushless Electric Motor. FEATURES Steel construction   INCLUDES Main Shaft...

OSM74004025 O.S. Main Shaft 5025-375 .50 Note: Graves RC Coupons are not applicable with this product     This is the Main Shaft for the O.S. 50 Brushless Electric Motor. FEATURES Steel construction   INCLUDES Main Shaft...