Manifold Conversion Kit - 80" Evolution Big Twin 2003 Kit is tuned for 10

Kit is tuned for 10 psi of boost

conform precisely to original seat pan

Added cam journal oil groove for cold start up protection and increased cam journal lubrication

Camshaft - 508 Series - Evolution Big Twin

Monster Sucker® Air Cleaner Kit - Black

Manifold Conversion Kit - 80" Evolution Big Twin 2003 Kit is tuned for 10Manifold Conversion Kit 80" Evolution Big Twin Includes an S&S Performance manifold, mounting flanges, two specially molded O rings and two . 350" spacers for spacing out the stock air cleaner or carb mount bracket Eliminates cracking and leaking problems associated with the stock rubber compliance fittings Kit converts stock 80" Evolution manifold to a more rigid mount system Made in the USA