O.S. Complete Piston/Sleeve/Rod Assembly (Speed .21)
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O.S. Dust Cap Set RZ-V/P
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This is a set of replacement dust caps for O.S. 21 VZ-B and V-Spec engines. This includes a smaller cover for the carburetor neck, a larger cover for the rear exhaust outlet, and a small cover for the main needle valve fuel inlet. You can also use these covers on just about any .21 to .28 sized engine.
PISTON PIN RETAINER 12TG.18CVR.21VG.28XZ
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This is a set of two replacement O.S. Piston Pin Retainer Clips. These clips are used to retain the wrist pin inside the piston, which secures the piston to the connecting rod. If you ever remove the clips during engine maintenance, the clips can become damaged. It is recommended that you replace them with new clips to prevent possible failure c...
SHORT TUNED PIPE SPRINGS (6pcs)
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This is a set of replacement short springs for one piece tuned pipes. These are the small short springs that attach the tuned pipe to the manifold. These springs will generally get weaker over time due to the amount of heat generated by the engine, so it is a good idea to replace these springs if they become loose (you should also replace the ma...
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The manifold springs wrap around the engine and secure the manifold to the engine. Includes 2 elastic steel springs for 1/8 scale cars.
EXHAUST MANIFOLD SPRING 1/10 (2pcs)
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The manifold springs wrap around the engine and secure the manifold to the engine. Includes 2 elastic steel springs for 1/10 scale cars.
PISTON PIN 21XZ-R
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This is a replacement O.S. Piston Pin, and is intended for use with the O.S. .21 XZ-B and XZ-R engines.
