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Body may to be cut if engine head touches./Tighten head screws equally.

Discontinued, replacement part: #

"Chubby" Aluminum Heat Sink Head for the Savage monster truck! Designed to fit both the Nitro Star 21BB and the S-25 engines, this heat sink head provides more cooling area than the stock heads. It is machined from billet aluminum and anodized purple for a great custom look! Comes packaged with new head bolts and Allen wrench. Some extra cutting of the body may be necessary.

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