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Your cart is empty.ARP's handy thread cleaning chaser taps are designed with correct thread pitch and diameter to clean dirty blind or thru holes. Taps come in five USS sizes 1/4, 5/16, 3/8, 7/16 and 1/2, as well as metric. They are sold individually or in sets. Please note that these are strictly cleaning taps and are not designed to cut thread. They are a handy addition to the tool box of any serious engine builder and an essential aid to preparing any block for final assembly. Don't take a chance on weakening block and cylinder head threads. Use these handy thread cleaning chasers whenever possible Thread Cleaning Chaser Size M11 X 1.50
DavidK
2025-08-28 12:06:58
Typical of ARP thread chasers, it worked well but was very expensive. Typical sets of metric thread chasers covering multiple sizes and both male and female threads don't cost much more than this one. It does have the advantage of being longer than most. At least it's cheaper than the ARP thread chaser for LS head bolt holes.
Customer
2025-01-20 12:52:28
Not 6in as it said in questions
Mike
2024-11-12 15:08:17
I see now why they say to chase the threads as they had a lot of left over sealant and grit still attached. The Thread Chaser worked great and am glad I got It. Would hate to have to go back in to engine to replace a head because I got torque wrong due to left over sealant or debris.
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