{"title":"GM Parts","description":"\u003cp\u003eBillet Racing Belt Tensioners engineered for Chevrolet COPO Camaro, GM LS\/LSA-based performance platforms and truck models. CNC-machined from 6061-T6 aluminum, proudly made in the USA.\u003c\/p\u003e","products":[{"product_id":"super-charger-extension-arm-2650","title":"Supercharger Extension Arm 2650 - Black","description":"\u003cp\u003eBillet Super Charger Extension Arm for Magnuson 2650 superchargers - Black\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 11.0pt; line-height: 107%; font-family: 'Calibri',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003eMade to fit the Magnuson 2650 and is a popular addition to the LSA platform.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eIt is fabricated from 6061-T6 Billet Aluminum and is designed to increase belt wrap around the blower pulley and is sold with a 60mm x 10 rib smooth pulley.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eInstallation is simple.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eRemove the belt and then the supercharger pulley.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eSlide the extension arm over the supercharger snout and tighten down on the 2 socket cap bolts.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003c\/span\u003eThe arm is completely adjustable.\u003c\/span\u003e\u003c\/p\u003e","brand":"AMERICAN RACING SOLUTIONS","offers":[{"title":"Stainless Bearing","offer_id":45557066498157,"sku":"26550BRKT-1","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Ceramic Bearing (+$150)","offer_id":45557066530925,"sku":"26550BRKT-2","price":575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4071\/2301\/files\/ARS-Super-Charger-Ext.-Arm-f.jpg?v=1786010505"},{"product_id":"copo-magnuson-tensioner","title":"Billet Racing Belt Tensioner - COPO Magnuson 50 lb Spring","description":"\u003cp\u003eBillet Racing Belt Tensioner - COPO Magnuson\u003c\/p\u003e\n\u003cp\u003eThis billet racing belt tensioner is specifically designed for COPO Camaro vehicles equipped with the Magnuson 2650 supercharger. Precision CNC-machined from 6061-T6 billet aluminum with our custom high-tension spring, hardened steel shaft, and heavy-duty bearings.\u003c\/p\u003e\n\u003cp\u003eThis tensioner is a direct bolt-on replacement for the factory tensioner used on Magnuson-supercharged COPO builds. With a 50 lb spring it provides significantly increased belt tension for better grip and reduced slip under extreme boost and high RPM conditions.\u003c\/p\u003e\n\u003cp\u003e**Configuration Options:**\u003c\/p\u003e\n\u003cp\u003e• 76mm 10 Rib Double Bearing Smooth Pulley + Steel Bearings (Default)  \u003cbr\u003e• 76mm 10 Rib Double Bearing Smooth Pulley + Ceramic Bearings  \u003cbr\u003e• Tensioner Only (No Pulley)\u003c\/p\u003e\n\u003cp\u003e**Key Features:**\u003cbr\u003e• CNC-machined 6061-T6 billet aluminum construction\u003cbr\u003e• Custom wound high-tension spring\u003cbr\u003e• Anodized finish for durability and reduced belt wear\u003cbr\u003e• Proudly Made in the USA\u003c\/p\u003e\n\u003cp\u003eEngineered for Speed, Built to Last.\u003c\/p\u003e","brand":"AMERICAN RACING SOLUTIONS","offers":[{"title":"76mm 10 Rib Double Bearing Smooth Pulley + Steel Bearings","offer_id":45231259123821,"sku":"86201-1","price":650.0,"currency_code":"USD","in_stock":true},{"title":"76mm 10 Rib Double Bearing Smooth Pulley + Ceramic Bearings","offer_id":45231259156589,"sku":"86201-2","price":800.0,"currency_code":"USD","in_stock":true},{"title":"No Pulley","offer_id":45231259189357,"sku":"86201","price":480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4071\/2301\/files\/ARS-COPO-Tensioner_f_jpg_20582b36-3eaf-4f06-bb56-491757335d4d.jpg?v=1780272333"},{"product_id":"lsa-racing-tensioner","title":"LSA Billet Racing Belt Tensioner - 60 LB Spring","description":"\u003cp\u003eLSA Billet Racing Belt Tensioner - Black 60 LB Spring\u003c\/p\u003e\n\u003cp\u003eOur LSA Racing Belt Tensioner is precision machined from 6061-T6 billet aluminum and engineered for maximum performance and reliability. Featuring our custom wound 60 lb spring (20% stronger than factory), hardened steel shaft, and heavy-duty bearings, this is a true direct bolt-on upgrade for the Chevrolet 6.2L LSA supercharged engine.\u003c\/p\u003e\n\u003cp\u003eChoose your pulley option using the dropdown menu:\u003cbr\u003e• No Pulley\u003cbr\u003e• 80mm 8 Rib Double Bearing Grooved Pulley\u003cbr\u003e• 80mm 10 Rib Double Bearing Grooved Pulley\u003cbr\u003e• 80mm 12 Rib Double Bearing Grooved Pulley\u003c\/p\u003e\n\u003cp\u003eAll components are anodized for corrosion resistance and reduced belt wear. Ceramic bearing upgrades are also available for any pulley option.\u003c\/p\u003e\n\u003cp\u003eEngineered for Speed, Built to Last.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eProudly Made in the USA.\u003c\/p\u003e","brand":"AMERICAN RACING SOLUTIONS","offers":[{"title":"80mm 8 Rib Double Bearing Grooved Pulley + Steel Bearing","offer_id":45231975956589,"sku":"865608-1","price":635.0,"currency_code":"USD","in_stock":true},{"title":"80mm 8 Rib Double Bearing Grooved Pulley + Ceramic Bearing (+$150)","offer_id":45231975989357,"sku":"865608-2","price":785.0,"currency_code":"USD","in_stock":true},{"title":"80mm 10 Rib Double Bearing Grooved Pulley + Steel Bearing","offer_id":45231976022125,"sku":"8656010-1","price":640.0,"currency_code":"USD","in_stock":true},{"title":"80mm 10 Rib Double Bearing Grooved Pulley + Ceramic Bearing (+$150)","offer_id":45231976054893,"sku":"865610-2","price":790.0,"currency_code":"USD","in_stock":true},{"title":"80mm 12 Rib Double Bearing Grooved Pulley + Steel Bearing","offer_id":45231976087661,"sku":"8656012-1","price":660.0,"currency_code":"USD","in_stock":true},{"title":"80mm 12 Rib Double Bearing Grooved Pulley + Ceramic Bearing (+$150)","offer_id":45231976120429,"sku":"8656012-2","price":810.0,"currency_code":"USD","in_stock":true},{"title":"No Pulley","offer_id":45231976153197,"sku":"86560","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4071\/2301\/files\/ARS-LSA-Tensioner-f_jpg.jpg?v=1781956222"},{"product_id":"tr50-gm-tensioner","title":"TR50 GM Truck Billet Racing Belt Tensioner - 50lb Spring","description":"\u003cp\u003eTR50 GM Truck Billet Racing Belt Tensioner – 50 lb Spring\u003c\/p\u003e\n\u003cp\u003eOur TR50 Racing Belt Tensioner is CNC-machined from 6061-T6 billet aluminum and engineered for high-horsepower GM trucks and SUVs. It features a custom 50 lb spring, hardened steel shaft, and premium bearings for consistent belt tension under extreme loads.\u003c\/p\u003e\n\u003cp\u003eThis is a direct bolt-on replacement designed to reduce belt slip, increase boost consistency, and deliver more reliable power on the street or the track. Built so strong it won’t bend, flex, or break under the heavy loads of modern supercharged and high-performance GM applications.\u003c\/p\u003e\n\u003cp\u003eAvailable configurations:\u003cbr\u003e• 70mm 8 Rib Pulley + Steel Bearings\u003cbr\u003e• 70mm 8 Rib Pulley + Ceramic Bearings (upgrade)\u003cbr\u003e• Tensioner Only (No Pulley)\u003c\/p\u003e\n\u003cp\u003eEngineered for Speed, Built to Last. Proudly Made in the USA.\u003c\/p\u003e","brand":"AMERICAN RACING SOLUTIONS","offers":[{"title":"70mm 8 Rib Pulley + Steel Bearings","offer_id":45528495456365,"sku":"8850-1","price":590.0,"currency_code":"USD","in_stock":true},{"title":"70mm 8 Rib Pulley + Ceramic Bearings","offer_id":45528495489133,"sku":"8850-2","price":665.0,"currency_code":"USD","in_stock":true},{"title":"Tensioner Only (No Pulley)","offer_id":45528495521901,"sku":"8850","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4071\/2301\/files\/TR50Front_4b3315c4-1dcf-45b8-a8d2-f859e45b3b8a.jpg?v=1779792582"},{"product_id":"billet-racing-belt-tensioner-copo-whipple","title":"Billet Racing Belt Tensioner - COPO Whipple 50 lb Spring","description":"\u003cp\u003eBillet Racing Belt Tensioner - COPO Whipple\u003c\/p\u003e\n\u003cp\u003eThis billet racing belt tensioner is specifically designed for COPO Camaro vehicles equipped with the Whipple Supercharger. Precision CNC-machined from 6061-T6 billet aluminum with our custom high-tension spring, hardened steel shaft, and heavy-duty bearings.\u003c\/p\u003e\n\u003cp\u003eThis tensioner features a 50 lb spring and is a direct bolt-on replacement for the factory tensioner used on Whipple -supercharged COPO builds. It provides significantly increased belt tension for better grip and reduced slip under extreme boost and high RPM conditions.\u003c\/p\u003e\n\u003cp\u003e**Configuration Options:**\u003c\/p\u003e\n\u003cp\u003e• 76mm 10 Rib Double Bearing Smooth Pulley + Steel Bearings (Default)  \u003cbr\u003e• 76mm 10 Rib Double Bearing Smooth Pulley + Ceramic Bearings  \u003cbr\u003e• Tensioner Only (No Pulley)\u003c\/p\u003e\n\u003cp\u003e**Key Features:**\u003cbr\u003e• CNC-machined 6061-T6 billet aluminum construction\u003cbr\u003e• Custom wound high-tension spring\u003cbr\u003e• Anodized finish for durability and reduced belt wear\u003cbr\u003e• Proudly Made in the USA\u003c\/p\u003e\n\u003cp\u003eEngineered for Speed, Built to Last.\u003c\/p\u003e","brand":"AMERICAN RACING SOLUTIONS","offers":[{"title":"76mm 10 Rib Double Bearing Smooth Pulley + Steel Bearings","offer_id":45239656611949,"sku":"86200-1","price":650.0,"currency_code":"USD","in_stock":true},{"title":"76mm 10 Rib Double Bearing Smooth Pulley + Ceramic Bearings","offer_id":45239656644717,"sku":"86200-2","price":800.0,"currency_code":"USD","in_stock":true},{"title":"No Pulley","offer_id":45239656677485,"sku":"86200","price":480.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4071\/2301\/files\/ARS-COPO-Tensioner_f_jpg.jpg?v=1780272259"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/4071\/2301\/collections\/GM_Logo.jpg?v=1782044476","url":"https:\/\/americanracingsolutions.com\/collections\/gm-parts.oembed","provider":"American Racing Solutions","version":"1.0","type":"link"}