A lifetime investment in your 914, these stainless steel additions will still be around long after you and i are in our graves. Larger 1.7/1.8 id means more power for these engines and light weight means great weight savings! Experience the hottest heat of your 914 's life with these beautiful works of art. These retrofit wonderfully to 1975-76 models, but you will need additional parts; please call and talk with us for fitment specifications.