Profile: J C S Volks Machine specializes in providing rebuilt vw engines and components. Our products include turnkey engines, longblock engines, transmissions and cylinder heads. Our super cool tin fits snugly around the bottom of the cylinders creating an even airflow and actually lowering the cylinder head & barrel temperature of the engine. Our chromoly push rods are manufactured from hard drawn seamless 4130 chromoly 3/8" tubing, each push rod is stressed relieved for maximum performance to resist flex under the stress of high lift cams and high rev valve springs.