{"product_id":"comp-cams-big-mutha-thumpr-243-257-hydraulic-roller-cam-for-chevrolet-big-block-engines-part-number-11-602-8","title":"COMP Cams Big Mutha' Thumpr 243\/257 Hydraulic Roller Cam for Chevrolet Big Block Engines – Part Number 11-602-8","description":"Big Mutha' Thumpr 243\/257 Hydraulic Roller Cam\nStreet\/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.\nChevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts\n\u003cp\u003eThe COMP Cams Big Mutha' Thumpr 243\/257 hydraulic roller camshaft is designed for street and strip applications on Chevrolet GEN IV 396-454 big block engines. Engineered for performance enthusiasts, this camshaft is suitable for engines with a minimum of 9.5:1 compression ratio and a stall converter of 2800+ RPM. It features a rough idle, making it ideal for those seeking a aggressive sound and increased power output. The camshaft works seamlessly with intake systems, gears, and headers to maximize engine performance and deliver a distinctive driving experience. Crafted with precision, it is an essential upgrade for high-performance street builds or drag strip racing setups.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHydraulic roller design offers durability and smooth operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for street\/strip applications with a rough idle characteristic\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for Chevrolet GEN IV 396-454 big block engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with engines requiring 9.5:1 compression and above\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEnhanced performance with intake, gears, and headers\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":55149844332849,"sku":"4389964","price":599.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/2247\/1473\/files\/dee08d4adf1fc3783b0b44227aa69d1a_eb5b4e60-10da-4034-8328-7916782e2cc2.jpg?v=1783572999","url":"https:\/\/shop.topspeedcincy.com\/products\/comp-cams-big-mutha-thumpr-243-257-hydraulic-roller-cam-for-chevrolet-big-block-engines-part-number-11-602-8","provider":"Top Speed Cincy Shop","version":"1.0","type":"link"}