{"product_id":"header-bolts-3-8in-head","title":"Header Bolts 3\/8-16 x 3\/4 Inch Mini Hex Head Black Oxide Fits AMC 290-401, Chevrolet Small Block 262-400, Chrysler 383-440 except Hemi, Pontiac 326-455, Oldsmobile 330-455 Mr Gasket","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 3409\u003c\/p\u003e\u003cp\u003eWhen installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Mr. Gasket Header Bolts are grade 8 for strength, black oxide coated, and have a compact 3\/8 inch hex head that is ideal for use where space is minimal - your typical header flanges.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMini 3\/8 inch hex head for better socket clearance\u003c\/li\u003e\n\u003cli\u003eGrade 8\u003c\/li\u003e\n\u003cli\u003eBlack oxide coated\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHeader Bolt - Mini - 3\/8-16 in Thread - 0.750 in Long - Hex Head - Steel - Black Oxide - AMC V8 \/ GM V8 \/ Mopar B \/ RB-Series - Set of 12\u003c\/p\u003e","brand":"Mr. Gasket","offers":[{"title":"Default Title","offer_id":51827555402040,"sku":"M00S 3409","price":224.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-521666-977526-square_56b44f90-7510-48c5-93e0-63459e00c594.webp?v=1774557829","url":"https:\/\/store.motormia.co\/products\/header-bolts-3-8in-head","provider":"MOTORMIA","version":"1.0","type":"link"}