{"product_id":"comp-cams-rocker-arms348-409-chevy-1-7-1629-12","title":"COMP Cams Rocker Arms348\/409 Chevy 1.7 1629-12","description":"COMP Cams Rocker Arms 1629-12  The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 348-409 applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3\/8\" stud diameter and 1.7 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050\" locks without clearance or fitment issues.  Rocker Arms,348\/409 Chevy 1.7 Ult.Pro Ma  COMP Cams Ultra Pro Magnum Roller Rocker Arms, 1.7 Ratio, 3\/8\" Stud Diameter for 348, 409 Chevrolet, Set of 12  COMP Cams Rocker Arms348\/409 Chevy 1.7\u003c!--\/ Vehicle Applications --\u003e\u003cbr\u003e\u003cbr\u003e\u003ch3\u003eVehicle Fitments:\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1958\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eDel Ray\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1960 - 1961\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1959 - 1961\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eKingswood\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c!-- Vehicle Applications \/--\u003e","brand":"FR SPORT","offers":[{"title":"Default Title","offer_id":45481567518777,"sku":"0HTYJ","price":381.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/8632\/8889\/files\/0baff2492de49b4cc8e6c4fc0170ff3b_7c92b334-2057-492e-b6ed-6b9f46853e2c.jpg?v=1779142734","url":"https:\/\/shop.throttletherapynation.com\/products\/comp-cams-rocker-arms348-409-chevy-1-7-1629-12","provider":"Throttle Therapy Nation ","version":"1.0","type":"link"}