{"product_id":"comp-cams-thumpr-nsr-ls-cam-kit-gm-gen-iii-iv-hydraulic-roller-performance-upgrade","title":"COMP Cams Thumpr NSR LS Cam Kit – GM Gen III \u0026 IV Hydraulic Roller Performance Upgrade","description":"\u003cp\u003eUpgrade your GM LS engine with the COMP Cams Thumpr NSR Hydraulic Roller Cam Kit engineered for aggressive street performance, strong mid-to-high RPM power, and an unmistakable performance exhaust tone.\u003c\/p\u003e\n\u003cp\u003eDesigned for GM LS Gen III \u0026amp; IV engines, this camshaft delivers improved horsepower, enhanced throttle response, and reliable hydraulic roller performance while remaining computer-controlled compatible.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\u003cp\u003e• Engine Compatibility: GM LS Gen III \u0026amp; IV\u003cbr\u003e• Recommended Use: Street \/ Performance\u003cbr\u003e• Cam Type: Hydraulic Roller\u003cbr\u003e• Intake Duration @ .050”: 226°\u003cbr\u003e• Exhaust Duration @ .050”: 237°\u003cbr\u003e• Intake Valve Lift: .660”\u003cbr\u003e• Exhaust Valve Lift: .630”\u003cbr\u003e• Lobe Separation Angle: 113°\u003cbr\u003e• RPM Operating Range: 1800–6600 RPM\u003cbr\u003e• Advertised Intake Duration: 280°\u003cbr\u003e• Advertised Exhaust Duration: 299°\u003cbr\u003e• Grind Number: 280LTH13\u003cbr\u003e• Computer-Controlled Compatible: Yes\u003c\/p\u003e\n\u003cp\u003ePerfect for:\u003cbr\u003e✔ Street Performance Builds\u003cbr\u003e✔ LS Engine Swaps\u003cbr\u003e✔ Muscle Cars \u0026amp; Performance Trucks\u003cbr\u003e✔ Aggressive Exhaust Sound\u003cbr\u003e✔ Mid \u0026amp; High RPM Power Gains\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":43049389719629,"sku":null,"price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/7507\/1053\/files\/COMP_Cam_030c7855-00da-4b0d-9c97-b9c45a2cc377.jpg?v=1779905700","url":"https:\/\/motorcaresupply.com\/products\/comp-cams-thumpr-nsr-ls-cam-kit-gm-gen-iii-iv-hydraulic-roller-performance-upgrade","provider":"Motorcare Supply ","version":"1.0","type":"link"}