Darts new LS based PRO1LS 15 280cc Aluminumsquare port cylinder head forGM LS series small block V8engines take performance tothe next level. Offers higherperformance and moreversatility than factorydesigns.
The 15based high performancecylinder head has betterairflow, more efficientcombustion chambers and moreuser friendly features thanproduction LS castings. TheDart PRO1 LS 280cc cylinderhead retains stock valveangles, stock valve locationsand stock accessory mountingholes to make installationeasy. Virtually everythingelse has beenimproved.