Proform 66941BK GM HEI distributor. Fits Chevy small block and big block engines. Designed to meet high performance demands. 100% NEW distributor. Includes a high-power 50,000 volt coil. Produces a 50,000 volt spark through 7,500 RPM. True spark alignment for instantaneous response. High performance curve. Black colored, premium cap with brass terminals. Low-saturation ignition module. Die-cast aluminum housing polished to a brilliant billet-look appearance. Proform 66941BK HEI distributor 66941BK HOW TO ORDER: 1. If there is an applications box, click, then scroll the applications box to find your vehicle. 2. Click on your vehicle. 3. Click "add to cart" 4. Enter your information and submit order. 5. If there is no applications box, then just click "add to cart", then enter your information. HOURS: 11:00 am to 6:00 pm Monday - Friday Eastern Standard Time We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. We will not ship to freight forwarding - expediting companies. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.