{"product_id":"arp-7-16-thread-size-stud-girdle-nut-kit-16-piece-300-8249","title":"ARP 7\/16\" Thread Size Stud Girdle Nut Kit - 16 Piece 300-8249","description":"\u003cp\u003eOne of the more aggravating things found in many high performance engines is having to re-adjust rocker arms constantly.\u003c\/p\u003e\u003cp\u003eUntil ARP introduced the patented Perma-Loc adjuster, there wasn't a poly lock on the market that you had to continually tighten.\u003c\/p\u003e\u003cp\u003eThere are several important reasons why ARP's exclusive Perma-Loc rocker arm adjusters won't loosen like others.\u003c\/p\u003e\u003cp\u003eFirst, the adjuster body is heat-treated all the way through (not just case hardened).\u003c\/p\u003e\u003cp\u003eThis eliminates the common thread movement found in others.\u003c\/p\u003e\u003cp\u003eSecondly, the threads are machined exactly perpendicular to the bottom of the adjuster, so it applies pressure evenly on a full 360 circle and seats evenly.\u003c\/p\u003e\u003cp\u003eLastly, the set screw is machined flush on the bottom (not pointed) so it will have optimum contact on the rocker arm stud.\u003c\/p\u003e\u003cp\u003eYou'll find ARP Perma-Loc's easy to use, too.\u003c\/p\u003e\u003cp\u003eThe compact 12-point head is designed to hold your wrench in position while you lock the set screw with an Allen wrench.\u003c\/p\u003e\u003cp\u003eFeatures 12-point head with special shouldered stop to hold wrench.\u003c\/p\u003e\u003cp\u003eEliminates the need for special adjusting tools.\u003c\/p\u003e\u003cp\u003eForged in-house from 8740 alloy chrome moly steel and heat-treated throughout (not simply case hardened, as others are).\u003c\/p\u003e\u003cp\u003eBottom flush-ground perpendicular to threads.\u003c\/p\u003e\u003cp\u003eThreads are precision CNC-machined exactly perpendicular to the bottom of the adjuster to ensure an optimum seat and even pressure.\u003c\/p\u003e\u003cp\u003eSet screw has flush-machined tip for optimum contact and seating on stud.\u003c\/p\u003e\u003cp\u003eThreads machined for maximum engagement.\u003c\/p\u003e\u003cp\u003eStud Girdle 16 Pieces Body 1.200\/1.485 Diameter .750 Length 2.050\/2.615 Shank .600 Thread 7\/16-20.\u003c\/p\u003e","brand":"ARP Inc.","offers":[{"title":"Default Title","offer_id":51709226778906,"sku":"ARP300-8249","price":251.83,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/51yGMN-kfML.jpg?v=1771338936","url":"https:\/\/trybeepbeep.com\/products\/arp-7-16-thread-size-stud-girdle-nut-kit-16-piece-300-8249","provider":"TryBeepbeep","version":"1.0","type":"link"}