Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
CYLINDER HEAD STUD KIT 6.6L
Hardware & fastenersPart number: 230-4201
Aftermarket reference ·ARP 230-4201 is a cylinder head stud kit for 6.6L Duramax diesel applications. The kit uses ARP2000 studs and includes 12-point nuts and washers. Verify the engine code, year and serial number before ordering.
Looking for ARP 230-4201? This catalogue reference is listed under Hardware & fasteners. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Original / OEM part
OEM match requires confirmation
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Confirm with a quoteTechnical specifications
| Manufacturer | ARP |
|---|---|
| Part number | 230-4201 |
| Category | Hardware & fasteners |
| Availability | On request |
| Reference basis | Aftermarket reference; confirm component identity and fitment with your quotation |
| Supply type | Aftermarket |
| Stud material | ARP2000 alloy |
| Stud tensile strength | 220,000 psi |
| Finish | Black oxide |
| Included hardware | Studs, 12-point nuts and parallel-ground washers; hardware for both cylinder heads |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
Which engine is ARP 230-4201 intended for?
ARP identifies 230-4201 as a Duramax diesel cylinder head stud kit, including LB7 and LLY applications. Check the engine code, model year and engine serial number before ordering; the listing alone does not establish fit for every vehicle.
Does ARP 230-4201 include hardware for both cylinder heads?
The kit is described as containing hardware for both heads, including studs, 12-point nuts and washers. Confirm the contents and suitability for your specific engine before ordering.
What material and finish do the 230-4201 studs use?
The studs are described as ARP2000 alloy with a black oxide finish and a tensile strength rating of 220,000 psi.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.