{"product_id":"k-kit-hydraulic-flat-tappet-camshaft-kit","title":"K-Kit Hydraulic Flat Tappet Camshaft Kit","description":"The COMP Cams K12-601-4 Mutha Thumpr Camshaft Kit is a comprehensive valvetrain upgrade for Chevrolet Small Block engines, specifically designed for displacements ranging from 262 to 400 cubic inches. This kit is intended for applications with a flat tappet camshaft and covers engine model years from 1958 to 1998. It features a hydraulic flat tappet camshaft design.\n\nA minimum compression ratio of 9:1 is recommended, along with a torque converter stall speed of 2500 RPM or higher. Additionally, the kit necessitates the use of aftermarket intake components, gears, and headers. The camshaft's specifications include an advertised intake duration of 287 degrees and an exhaust duration of 305 degrees, with durations at 0.050 lift of 235 degrees intake and 249 degrees exhaust. The lift for both intake and exhaust is 0.560 inches, and the lobe separation angle is 107 degrees. The intended operating RPM range for this camshaft is between 2200 and 6100 RPM, and it is designed to produce a noticeably rough idle.\n\nThis complete kit includes all the necessary components for installation: the camshaft, lifters, valve springs, retainers, locks, seals, and a timing set. It is designed for a direct fit on select 1967-1975 Chevrolet Camaros and 1969-1976 Chevrolet C10s, among other specified models.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":52687451717944,"sku":"COMK12-601-4","price":589.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/661177491.jpg?v=1784884227","url":"https:\/\/store.motormia.co\/products\/k-kit-hydraulic-flat-tappet-camshaft-kit","provider":"MOTORMIA","version":"1.0","type":"link"}