Accessories Needed for:
O.S. 21XZ-R Speed On-Road Engine
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COMPLETION NOTES FROM THE TECH DEPARTMENT
This is the O.S. 21XZ-R ABC On-Road Engine with 21M Carburetor. FEATURES: Tungsten weighted silicone filled crankshaft, slide valve carb with 9mm reducer for higher torque, RP7 turbo glow plug and instruction manual REQUIRES: Fuel, air filter, exhaust system, track equipment
O.S. 21XZ-R Speed On-Road Engine
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Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
We accept the following: 
Primary Accessories
