After 40 years of waiting, The Boss 429 has been resurrected with the availability of Complete Boss Nine Engines, Boss Nine Cylinder Heads, Intake Manifolds, Valve Covers, Gaskets, Pistons and associated parts.

                 
From Street to Strip, Muscle car, Show car, Street rods to full out Racing applications, Jon Kaase Racing Engines INC. are producing Boss Nine replica engines custom tailored for your application. Now you can have the Boss 429 you always wanted in a complete ready to bolt in package! Engines available from 500 to 1000 Horsepower and up to 1500 Horsepower when Blown.