{"product_id":"cca-poly-locks-8","title":"COMP Cams 4633-1 - Ultra ARC Aluminum Narrow Body - 3\/8 Polylock","description":"\u003cp\u003eUltra ARC Aluminum Narrow Body - 3\/8 Polylock. The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design—developed using FEA analysis—creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced, Recessed, Contoured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warranty—buy them once and use them forever. Engin eered for applications running up to 700 lbs of open spring pressure.\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":45357391085703,"sku":"COM4633-1","price":6.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/4008\/1543\/files\/4631-1_a87fe49f-32df-4b8b-a7e9-3e2a6e7c362b.jpg?v=1788268448","url":"https:\/\/checkout.northernperformance.ca\/products\/cca-poly-locks-8","provider":"Northern Performance","version":"1.0","type":"link"}