Click or scroll to zoom Tap or pinch to zoom 14MM SPARK PLUG CYLINDER HEAD RETHREADER KIT W/ 1 EA. OF 3/8", 7/16", 1/2" & 3/4" INSERTS by CTA $25.16 SKU CTA-2340 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.