Sierra 182715 Valve Kit Merc 24-17997a1 by Sierra $8.28 SKU SIE182715 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Valve Kit Merc 24-17997a1