No matter the condition of your 1984 Series 70, OPGI has the Air & Fuel Delivery products you need to boost performance and get you back on the road. We currently carry 239 Air & Fuel Delivery items to choose from for your 1984 Series 70, and our Price Match Guaranteed prices range from as little as $9.99 up to $4,848.99. OPGI offers FiTech plus thirteen other trusted brands of Air & Fuel Delivery products for your 1984 Series 70, to help you find quality parts you can rely on. With OPGI's 45-day return policy and three customer reviews, you can shop with the utmost confidence. Enjoy parts delivered directly to your home, or visit our sunny Southern California Showroom & Warehouse to check out our Air & Fuel Delivery items in person.