AMG M157 Cylinder Head Package rzr Made from aerospace grade

Made from aerospace grade

-Upgraded Head Gasket & O-ringed Jug

This K20/K24 complete engine package is built around 5+ years of testing and is the best offering for any FWD/SCDRA dirt oval car

and CAN messages for ultimate control

AMG M157 Cylinder Head Package rzr Made from aerospace gradeThis cylinder head package comes standard with our street series long block. Easily functions past the 1000hp mark. *Must supply good core heads Soda blasted restored appearance Custom bronze valve guides CNC Newen Valve Job Hand blended ports CNC Surfaced to single digit Ra finishes Ultrasonically Cleaned Assembled with OE valvetrain with modified spring pressures for added boost levels