{"product_id":"hks-nissan-s13-sr20det-256-intake-cam","title":"HKS Nissan S13 SR20DET 256 Intake Cam","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e22002-AN025\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 4957266642061\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eHKS Nissan S13 SR20DET 256 Intake Camshaft 1989-1994\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe HKS 256 Intake Camshaft upgrades the Nissan S13 SR20DET engine in 1989-1994 Silvia and 180SX models. This high-angle cam delivers increased valve duration for better mid-to-high RPM power and throttle response. Pair it with matching valve springs for full potential in tuned builds.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e256 Degree Duration:\u003c\/strong\u003e Extends intake valve timing to pull in more air at high RPM for stronger top-end power gains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11.15mm Lift:\u003c\/strong\u003e Raises intake valves higher to improve airflow volume without excessive stress on valvetrain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Steel Construction:\u003c\/strong\u003e Heat-treated and precision-ground for durability under boost and high revs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-On Fit:\u003c\/strong\u003e Matches factory journal sizes for seamless installation on SR20DET Blacktop engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Profile:\u003c\/strong\u003e Balances power delivery with drivability for street and track use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eValve spring upgrade recommended for revs over 8500 RPM to prevent coil bind\u003c\/li\u003e\n\u003cli\u003eVerify piston-to-valve clearance before full assembly\u003c\/li\u003e\n\u003cli\u003eStore in dry conditions to maintain surface finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eSet intake valve lash to 0.22-0.28mm cold after install\u003c\/li\u003e\n\u003cli\u003eRequires cam timing adjustment using HKS specs or degree wheel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1993\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003e180SX\u003c\/td\u003e\n\u003ctd\u003eSR20DET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1994\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSilvia S13\u003c\/td\u003e\n\u003ctd\u003eSR20DET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003e240SX S13\u003c\/td\u003e\n\u003ctd\u003eSR20DET Swap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose HKS?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in JDM motorsport since 1973\u003c\/li\u003e\n\u003cli\u003eEngineered in Japan for SR20DET reliability\u003c\/li\u003e\n\u003cli\u003eExact tolerances from CNC grinding process\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this cam fit my swapped SR20DET in a 240SX S13?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it bolts directly to SR20DET Blacktop heads in S13 chassis with no modifications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is the cam made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Billet steel with special hardening treatment for heat and wear resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need upgraded valve springs?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e HKS Super Intake Springs recommended for safe operation above 8000 RPM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective tube inside box 24 x 4 x 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.6 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43793478844495,"sku":"HKS22002-AN025","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/hks-nissan-s13-sr20det-256-intake-cam-hks.jpg?v=1767417749","url":"https:\/\/www.blackopsautoworks.com\/products\/hks-nissan-s13-sr20det-256-intake-cam","provider":"Black Ops Auto Works","version":"1.0","type":"link"}