{"product_id":"comp-cams-4633-1-ultra-arc-aluminum-narrow-body-3-8-polylock","title":"COMP Cams 4633-1 - Poly Lock, 3\/8 Ultra Gold Narr Ow Body","description":"\u003cp\u003eCOMP Cams 4633-1 - Poly Lock, 3\/8 Ultra Gold Narr Ow Body\u003c\/p\u003e\u003cp\u003eUltra ARC Aluminum Narrow Body - 3\/8 Polylock\u003c\/p\u003e\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. Engineered for applications running up to 700 lbs of open spring pressure.\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":49138662441098,"sku":"COMP-4633-1","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_06cf799dba2f4612c5e0f772e43ab6d8l_normalized.jpg?v=1779165719","url":"https:\/\/www.onlyinstock.com\/products\/comp-cams-4633-1-ultra-arc-aluminum-narrow-body-3-8-polylock","provider":"Only In Stock","version":"1.0","type":"link"}