Tag Archives: Horstman

Horstman 5hp Briggs Piston Dragster Go Kart

Horstman stock-type performance piston for 5 hp Briggs it comes with rings but no pin or clips for I/C blocks. Horstman number 4630. Several years ago I bought a large lot of old stock race parts keeping back a private … Continue reading →

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Komet K71 Horstman Piston Valve “HPV” Engine

Here’s a real nice KOMET K71 engine.  I believe a Komet K71 and an “HPV” are the same.  There is “BCR” engraved on the top corner fin on the cylinder.  I’m assuming that this engine was blueprinted.  Piston size is 52.55.  Ports look stock.  There … Continue reading →

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