{"product_id":"comp-cams-k20-602-4-big-mutha-thumpr-243-257-hydraulic-flat-cam-k-kit-for-chrysler-273-360-size-k-kit-style-2-500-6-400-rpm-range","title":"COMP Cams K20-602-4 Big Mutha' Thumpr 243\/257 Hydraulic Flat Cam K-Kit for Chrysler 273-360 - size: K-Kit, style: 2,500-6,400 RPM Range","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStreet\/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.\u003c\/li\u003e\n\u003cli\u003e2,500-6,400 RPM Operating Range\u003c\/li\u003e\n\u003cli\u003e243\/257 Duration at .050\". 107 Degree Lobe Separation Angle. 0.507\"\/0.494\" Valve Lift\u003c\/li\u003e\n\u003cli\u003eK Kits vary in their contents, but generally contain a camshaft, a set of lifters, valve springs, retainers, locks, valve seals, timing set, assembly lubricant, decals and instructions. Check description for more accurate listing of kit contents.\u003c\/li\u003e\n\u003cli\u003eEarly intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.\u003c\/li\u003e\n\u003cli\u003ePerfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.\u003c\/li\u003e\n\u003cli\u003eFits Chrysler 273-360\u003c\/li\u003e\n\u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: Comp Cams","offers":[{"title":"Default Title","offer_id":50420063961328,"sku":"B001S203U6-size-k-kit-style-2-500-6-400-rpm-range","price":1211.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/31M2eAvKOCL_86537cf2-0d1b-4c7d-9eb5-b0337ac119a0.jpg?v=1789009413","url":"https:\/\/wrenchvanta.com\/products\/comp-cams-k20-602-4-big-mutha-thumpr-243-257-hydraulic-flat-cam-k-kit-for-chrysler-273-360-size-k-kit-style-2-500-6-400-rpm-range","provider":"WrenchVanta","version":"1.0","type":"link"}