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Heli-Coil Thread Inserts 5521-4

Thread Repair Kit, Helicoil, 1/4 in.-20 RH, 12 Inserts, Kit

Estimated Ship Date: Today Would you rather pick it up? Select Location

Brand: Heli-Coil

Manufacturer's Part Number: 5521-4

Part Type: Heli-Coil Repair Kits

Product Line: Heli-Coil Thread Inserts

Summit Racing Part Number: HLL-5521-4

Drill Bit Included: No

Helicoil Installation Tools Included: Yes

Quantity: Sold as a kit.

Notes: Requires a 17/64 in. hole to be drilled. Does not include drill bit.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

Heli-Coil has the most effective and universally accepted method of thread repair. These Heli-Coil inserts work in any part or material--aluminum, magnesium, cast iron, bronze, etc. Damaged threads can be restored to better-than-new condition in spark plug ports, carburetor fuel inlets, transmission housings, oil drain plugs, exhaust and intake manifolds, head bolt holes, brake calipers, and more. They are available in many sizes.

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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