{"product_id":"proform-66757-wedge-locking-header-bolts-3-8-16-x-1-inch-hex-head-black-oxide-steel-set-of-6","title":"PROFORM 66757 Wedge Locking Header Bolts, 3\/8-16 x 1 Inch, Hex Head, Black Oxide Steel, Set of 6","description":"Wedge Locking Header Bolts - 3\/8in x 1in\n\u003cp\u003eSecure header and collector connections with PROFORM 66757 Wedge Locking Header Bolts. Designed with a 3\/8-16 inch thread and 1-inch length, these specialized bolts provide a dependable fastening solution for automotive exhaust and header applications. The locking wedge design helps resist loosening caused by engine vibration, while the hex head supports straightforward installation with commonly used tools.\u003cbr\u003eManufactured from durable steel, each bolt features a black oxide finish that provides a clean appearance and helps support corrosion resistance in typical automotive environments. The set includes six bolts, making it a practical choice for replacing worn hardware or completing a compatible header installation. Their compact design is intended to simplify access in confined engine compartments while maintaining reliable clamping force.\u003cbr\u003ePROFORM part number 66757 is suitable for builders, technicians, and performance enthusiasts who need purpose-built collector hardware. Before installation, confirm the required thread size, bolt length, clearance, and application compatibility. Install using the vehicle or component manufacturer’s recommended tightening specifications and inspect the assembled connection periodically as part of routine maintenance.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThread: 3\/8-16 inch thread for compatible header and collector applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLength: 1 inch bolt length for appropriate fastening depth\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLocking Design: Wedge locking feature helps resist loosening from vibration\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHead Style: Hex head supports installation with standard tools\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaterial: Steel construction for dependable automotive service\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFinish: Black oxide coating for a professional appearance and added surface protection\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eQuantity: Set includes six locking header bolts\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: Designed for compatible automotive headers and collector connections\u003c\/li\u003e\u003c\/ul\u003e","brand":"PROFORM","offers":[{"title":"Default Title","offer_id":67646121607420,"sku":"PFM66757","price":26.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/PFM66757.jpg?v=1791146502","url":"https:\/\/ozkonickustomz.com\/products\/proform-66757-wedge-locking-header-bolts-3-8-16-x-1-inch-hex-head-black-oxide-steel-set-of-6","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}