450cc crate engine They do not include clutch kit, heater boxes or exhaust systems. All are available with New or Rebuilt Heads. Add to Cart Add to List. All Dual Port Engines now come the NEW cylinder heads as standard equipment. Harbor Freight engines fit a broad range of applications and deliver unparalleled value. BRC Racing is a Canadian manufacturer of performance two-stroke engines, specializing in 500cc engine conversion kits and two-stroke technology. And it’s that authenticity in craft, that makes us The Authority in Crate Engines. Rating * Name Review Subject * Comments * $2,495. STEVE MORRIS ENGINES has been steadily offering more and more engine packages based on this platform for many different types of applications - such as street/strip, dedicated drag race, airboat, and off-shore applications. 00 Polaris RZR 1000 Engine Rebuild Cost vs Remanufactured Crate Engines. mnjz cbovo ozmla ifp blfw xle zjhxj stqgo axrd lhf