Seller: shanonsengineering (3,025) 100%, Location: Storden, Minnesota, Ships to: US, Item: 300273830474 CALL SHANON AT 507 445 3235 FOR ANY QUESTIONS.New set of BARE CNC PORTED Aluminum Big Block Chevy Pro Comp Motorsport Heads (2 heads) Manufactured from 356-T6 aluminum Have Accessory holes to except factory accessories. 360cc Intake Runners Intake flow is 404 CFM at .800 Exhaust flow is 307 CFM at .800 *Flow numbers are approximate. Spring pads are machined to 1.740 to except the largest roller springs Bronze Valve Guides Premium Hardened Seats Machined for 2.250 intake and 1.880 exhaust valves.Made in China FREE SHIPPING TO THE LOWER 48 STATES.CALL SHANON AT 507 445 3235 FOR ANY QUESTIONS. CONTACT US - THE PRICE IS NEGOTIABLE - BEST OFFER On Sep-02-07 at 15:51:13 PDT, seller added the following information: After purchasing, pay instantly with your credit card through PayPal! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.