These heads are hard to find, we have a M and K head in stock. Both have been surfaced and checked for true, The fins are in perfect shape, no chips or damage any where. The are guaranteed. Show quality.
McCall Boat Works has all of your Hercules needs. Please check out our other listings for the rare aluminum Exhaust manifolds and Cast Iron. All surfaced and pressure tested.
See our Ebay.com Store to Order: https://www.ebay.com/usr/007mccall