Material: Metal & Rubber. Applications: Compatible with Mitsubishi S4S Engine. What’s in the package? . 1 PCSFull Gasket Kit with Head Gasket. 1 PCSSTD Main Bearing. 1 PCSSTD Thrust Washer. 1 PCSSTD Con Rod Bearing. Compatible with Mitsubishi S4S Engine F18B F18C TCM & Cat Forklift. Compatible with Mitsubishi S4S Engine CATERPILLAR DP30K Forklift. It’s important to make sure we send the correct parts. If you can’t confirm your engine model or part number. As there are many styles of parts, the parts shown in the picture are only for reference. We will send the correct parts, but there will be slight differences with the pictures. Please refer to the ones actually received. We send STD Size by default. If you need other sizes, please leave us a message in advance. UPS Surepost usually takes 1-6 workdays. UPS Ground usually takes 1-5 workdays. If you don’t receive package over 30 business workdays, please inform us. Duty for International Buyers. We will do our best to offer you satisfied resolutions.