Stout racing engines - clone, Building and rebuilding briggs and clone racing engines, offering many kart parts in stock, dyno and tuning services. fast turnaround on rebuilds and machining. Gx200 modifications | go-kart mods, Medium cost option for higher horsepower and torque (up to 3-4hp with just these mods): purchase a 14cc cylinder head. this head is basically a gx160 cylinder head.. Affordablegokarts: small block, Stage 2 engine code: stage 2 engine price: $545.00 quantity in basket: none: stage 2 engine: high flow air filter with adapter #92 main jet; 18lb valve springs.
Affordablegokarts: cylinder heads & valvetrain, Retainer & keeper set code: agksret price: $25.00 available for delivery quantity in basket: none: designed specifically for our stainless steel valves.. Dlr engines - clone aftermarket parts, Clone head, with custom big valve seats and valves installed, full valve job seal checked, ported & polished high tension springs of choice, and milled to choice..