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Proform - 66752 - Wedge Locking Header Bolts - 3/8 X 3/4L (16)

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Toote kirjeldus

Each PROFORM Grade 8 Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft-lbs, the washers super-hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self-locked in this manner, any bolt-loosening rotation is blocked by a wedge-locking action created by the washers interfacing, matching cams. Its an uphill climb: vibration that might ordinarily loosen the bolt actually increases the wedge-locking tension, securing the bolt even more. Because this simple wedge-locking method uses tension instead of friction, contact with oil actually facilitates the wedge effect. When changing headers, PROFORM Header Bolts can be untightened with a normal wrench, lubricated, and reused. Sold as a set.

Product Details:

Engine Header Bolts
Wedge-Locking Technology
Hex Head Type
3/8-16 Inch x 3/4 Inch Long
Black Oxide Finish
16 Pcs in kit
Fits Big Block Chevy|Ford 5.0L|Small Block Ford|Chrysler 413 Engines
Sold As A Set

Tarnija osa number: 66752

Proform Catalog

Pakitud toote või tootepakendi hinnanguline suurus on 107 x 34 x 163 mm.

Engine
Chevy BB, Chevy SB, Ford BB, Ford SB

Materjal
Teras

Thread
3/8-16

Kaal
0,3 kg(Tootel võib olla kergekaaluline müügipakend.)

Saadavus
Toodet ei ole praegu meie laos. Saadaval meie tarnijalt. Eeldatav saabumine meie lattu. 7 - 15 päeva tellimusest, kõige varem 8.10.2026.

Tarneaeg?

If the product is available at the Vantaa warehouse, it can be picked up or delivered—usually already within the same day.

Kui tootel kuvatakse hinnanguline tarneaeg 7–15 päeva, siis käib tarnija- laoruumi tellimus nii.

Kontaktankeet

Check also: tarne tingimused

Saadavus
Teavita mind, kui toode on jälle saadaval.

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