Eibach Pro Kit Springs - Lancer Evo 4-6, Evo 8-9 (with Bilstein suspension) 51321-SNA-A02 stepped primaries and a 4-2-1

stepped primaries and a 4-2-1 tri-Y design that terminates into a collector with a 2

K to H Intake Manifold Adapters fit seamlessly in between the manifold and cylinder head for a factory-like finish

Replacement gasket for Ultra Street manifold to plenum or manifold/ plenum to spacer

Available in either M12x1

We have them available in this 2-piece design or we also offer this product in a 1-piece version

Eibach Pro Kit Springs - Lancer Evo 4-6, Evo 8-9 (with Bilstein suspension) 51321-SNA-A02 stepped primaries and a 4-2-1Renowned for high quality suspension components for manufacturers such as Ferrari, Porsche, AMG, McLaren, Lotus and Noble to name but a few, Eibach are a company with many years of automotive experience. Their aftermarket suspension parts are some of the best on the market, offering true motorsport developed products for thousands of applications. Eibach's Pro Kit spring set is designed to work in conjunction with either your vehicles OE dampers or