COMPATIBILITY ? Fits CRM V6 262CI 4.3L Chevrolet; FLM V6 262CI 4.3L Chevrolet; GMM V6 262CI 4.3L Chevrolet; HAM V6 262CI 4.3L Chevrolet; IDM V6 262CI 4.3L Chevrolet; MER V6 262CI 4.3L Chevrolet; MPM V6 262CI 4.3L Chevrolet; More GET THE RIGHT PART -- Before purchasing, please check the ?Amazon Confirmed Fit? bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the ?Amazon Confirmed Fit? bar has an ?i? in a blue circle, this product has additional notes. Please hover over the ?i? on the bar to see notes before making your purchase Marine head sets contain gaskets and seals necessary for a valve grind or head reconditioning job Application specific design to ensure a perfect fit Premium quality parts you can trust Engineered and manufactured specifically for marine applications Validated for fit, form, and function Unsurpassed quality you can trust