Rebuild Kit for .21 and .28 engines. This kit includes two gaskets, one long manifold spring and three small exhaust springs.  This product was added to our catalog on February 26, 2018 ...

springs for the HPI Savage family of monster trucks. The manifold springs are for attaching the exhaust pipe manifold to the engine This product was added to our catalog on May 2, ...

a great option for O.S. exhaust manifolds. Using these provides a sacrificial surface between your exhaust springs and manifold. This keeps your manifold in prime condition and wear free. Package includes one ...

replacement air cleaner set is intended for the Kyosho (KE21SP / KE28SP) engines supplied in Kyosho nitro vehicles. Package includes one replacement air cleaner set. This product was added to our catalog ...

the parts needed to convert your KE21 or KE25 engine over to a pull start configuration.  This product was added to our catalog on June 18, 2020