{"product_id":"comp-cams-chevrolet-348-409-big-block-evolution-retro-fit-hydrulic-roller-lifters-set-of-16","title":"COMP Cams Evolution Hydraulic Roller Lifters for 1958-1965 Chevy 348\/409 - 89591-16","description":"\u003cp\u003eCOMP Cams 89591-16 Evolution Retro-Fit Hydraulic Roller Lifters are designed for 1958-1965 Chevrolet 348 and 409 Big Block W engines and are sold as a complete set of 16. These 0.842-inch diameter link-bar hydraulic roller lifters use COMP Cams' patented Hydraulic Cartridge Technology (HCT), combining a self-contained hydraulic cartridge with reduced internal oil volume to help maintain consistent bleed rates and responsive hydraulic operation. Their tall-body design allows use in both standard blocks and tall lifter-bore aftermarket blocks, making them suitable for retrofitting early engines originally equipped with flat tappet camshafts.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eKey Features \u0026amp; Specs:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e COMP Cams\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSeries:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Evolution\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Retro-Fit Link Bar Hydraulic Roller\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Style:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydraulic Roller\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Set of 16\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTechnology:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydraulic Cartridge Technology (HCT)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRetainment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Link Bar\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLink Bars Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Yes\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLink Bar Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Vertical\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Body Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.842 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Seat Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.475 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Overall Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 3.23 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Travel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.150 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Wheel Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.700 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRoller Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Needle Bearing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Seat Cup Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.3125 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRecommended Preload:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.100 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Offset:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e None\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLifter Finish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e As Ground\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOil Band Top:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.42 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOil Band Bottom:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0.93 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLink Bar Bottom:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.59 in.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePushrod Seat Offset:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e N\/A\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRetrofit Application:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Early blocks originally equipped with flat tappet camshafts\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBlock Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tall body fits standard blocks and tall lifter-bore aftermarket blocks\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eServiceability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydraulic cartridge element is serviceable\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWarranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12 months\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eUPC:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 036584417415\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eManufacturer Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 89591-16\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSKU:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e CCA89591-16\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCOMP Cams Evolution HCT lifters use a thick-wall lifter body and compact hydraulic cartridge to reduce internal oil volume and limit the effects of oil aeration. The cartridge design is intended to provide consistent hydraulic bleed-down characteristics while increasing lifter body stiffness and reducing distortion. The precision-controlled bleed rate also helps reduce startup noise while supporting stable hydraulic operation at higher engine speeds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Evolution design also features a serviceable hydraulic element, allowing the internal cartridge to be rebuilt rather than requiring replacement of the complete lifter. These retro-fit lifters are specifically intended for converting compatible Chevrolet 348\/409 W-series engines from their original flat tappet configuration to a hydraulic roller lifter setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFitment:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1958-1965 Chevrolet 348 Big Block W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1958-1965 Chevrolet 409 Big Block W\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55905866711208,"sku":"CCA89591-16","price":809.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/comp-cams-89591-16-evolution-hydraulic-roller-lifters-chevy-348-409_1_1.jpg?v=1787618783","url":"https:\/\/eliteracefab.com\/products\/comp-cams-chevrolet-348-409-big-block-evolution-retro-fit-hydrulic-roller-lifters-set-of-16","provider":"eliteracefab.com","version":"1.0","type":"link"}