{"product_id":"manley-aluminum-rocker-arm-kit-pont-287-455-amp-4-3l-v8-1958-81-1-65-x-7-16-434212-16","title":"Manley Aluminum Rocker Arm Kit-Pont 287-455 \u0026Amp; 4.3L V8 1958-81 1.65 X 7\/16\" - 434212-16","description":"Manley Aluminum Rocker Arm Kit-Pont 287-455 \u0026amp;Amp; 4.3L V8 1958-81 1.65 X 7\/16\" - 434212-16\u003cbr\u003e\u003cbr\u003eOur all-new Pro Series Billet Aluminum Rocker Arms are engineered for top performance across street  strip  and track applications. Machined from high-quality 2024 billet aluminum extrusions  these rockers feature precision-ground needle and cage bearings  reducing friction with full complement needle bearings. With the heat-treated and polished steel nose rollers  axles  and trunions  wear is minimized for lasting durability. An anodized finish enhances protection  and each 16-piece set comes complete with Poly Locks for secure installation.\u003cbr\u003e\u003cbr\u003eCNC-Machined from 2024 Billet Aluminum\u003cbr\u003e Anodized Finish for Increased Durability Under Extreme Heat Conditions\u003cbr\u003e Shot-Peened to Increase Strength \u0026amp;amp\u003cbr\u003e Reduce Stress Risers\u003cbr\u003e Heat-treated and Polished Steel Axles Have a 60-62 Rockwell Hardness\u003cbr\u003e Rated at 750lbs Open Spring Pressure\u003cbr\u003e Multiple Oil Channels for Pushrod and Valve Tip Lubrication\u003cbr\u003e Poly Locks Included for Secure Installation\u003cbr\u003e Small Block Chevy Rockers Clear 1.625 O.D. Valve Springs\u003cbr\u003e\u003cbr\u003eManley Performance was founded by Hank Manley in 1966\u003cbr\u003e his desire for speed and to win led him to build his own racing engines. Since that time Manley has continued to evolve\u003cbr\u003e using the knowledge they have gained since the beginning and building on that to continue to bring the best engine components to the market. The goal at Manley Performance remains laser focused on designing and producing the highest quality internal engine components at extremely competitive prices coupled with excellent customer service.\u003cbr\u003e\u003cbr\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":48149798813954,"sku":"MAN-434212-16","price":424.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/Manley_434212-16_ANG45_P04.jpg?v=1785023254","url":"https:\/\/www.lethalperformance.com\/products\/manley-aluminum-rocker-arm-kit-pont-287-455-amp-4-3l-v8-1958-81-1-65-x-7-16-434212-16","provider":"Lethal Performance","version":"1.0","type":"link"}