Store +3 Lapping Exhaust Valves in Place with Dave Pasquale WEB-0001 $49.95 In stock Quantity: 1 Add to Bag Product Details Lapping Exhaust Valves in Place with Dave Pasquale Sponsored by Pasquale Aviation, Cessna Owner Organization and Piper Owner Society Understand the value and the how of lapping exhaust valves while in place, with A&P/IA Dave Pasquale of Pasquale Aviation. Save this product for later Favorite