{"product_id":"ultra-pro-magnum-rocker-arms","title":"Ultra-Pro Magnum Rocker Arms","description":"Built from robust 8650 chromemoly material, their distinctive arched, web-like design provides superior strength and rigidity. This construction not only enhances durability but also reduces moment of inertia for improved dynamic balance.\n\nThese rocker arms feature precision-sorted needle bearings, oversized trunions, and hardened roller tips, ensuring ultimate performance and dependability. The design specifically addresses retainer and valve spring clearances, accommodating most diameter springs, retainers, and +.050\" locks without fitment complications. A black oxide exterior finish provides corrosion resistance and further boosts longevity.\n\nDesigned for Chevy V6 engines from 1988 and later that utilize self-aligning rockers, these rocker arms have a 1.6 ratio and are intended for use with 3\/8\" studs. They are built to withstand up to 850 lbs of open spring pressure and come with a lifetime warranty against breakage.\n\nFor those seeking enhanced valvetrain efficiency and durability, the Ultra-Pro Magnum series offers a significant upgrade over stock components, supporting higher RPM operation and providing a more reliable valvetrain foundation.","brand":"Comp Cams","offers":[{"title":"Default Title","offer_id":52687441068344,"sku":"249-1618-12","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660686196.webp?v=1784884085","url":"https:\/\/store.motormia.co\/products\/ultra-pro-magnum-rocker-arms","provider":"MOTORMIA","version":"1.0","type":"link"}