{"product_id":"kong-performance-cnc-ported-lt4-supercharger-snout","title":"Kong Performance CNC Ported LT4 Supercharger \u0026 Snout","description":"\u003ch2\u003eKong LT4 CNC Supercharger Porting Service\u003c\/h2\u003e\u003cp\u003eMaximize airflow from your customer-supplied factory LT4 supercharger and snout with Kong Performance’s proven CNC porting service. Kong’s current port geometry is developed, simulated, tested, and machined in-house on 5-axis CNC equipment for repeatable results across C7 Corvette Z06, Gen 6 Camaro ZL1, Cadillac CTS-V3, and other LT4-powered combinations.\u003c\/p\u003e\u003cp\u003eKong reports typical gains of approximately 40–80 rear-wheel horsepower from the base porting service on properly supported combinations. The optional Stage X machining package can provide additional airflow potential for more aggressive builds. Actual power depends on pulley ratio, throttle body, intake, exhaust, fuel system, calibration, engine combination, and operating conditions; gains are not guaranteed.\u003c\/p\u003e\u003ch3\u003eWhat is included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCNC porting of the customer-supplied LT4 supercharger\u003c\/li\u003e\n\u003cli\u003eCNC porting of the LT4 snout\u003c\/li\u003e\n\u003cli\u003eCNC-machined snout water passages at no additional charge\u003c\/li\u003e\n\u003cli\u003eInspection of the submitted components for suitability before machining\u003c\/li\u003e\n\u003cli\u003eTypical Kong processing time of approximately 3–5 business days after receipt\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOptional Stage X upgrade\u003c\/h3\u003e\u003cp\u003eStage X adds supplemental CNC machining developed through airflow simulation, dyno testing, and track validation. Kong positions the upgrade for high-output factory 1.7L LT4 combinations with the fuel system, airflow, engine, and calibration to support the added capacity. Stage X is sold separately and must accompany an eligible base porting service.\u003c\/p\u003e\u003ch3\u003eCustomer preparation and shipping\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRemove sensors, loose fittings, and gaskets unless SMG provides different instructions.\u003c\/li\u003e\n\u003cli\u003eClean residual fluids and protect every opening from debris.\u003c\/li\u003e\n\u003cli\u003ePack the unit securely on all sides using dense material; do not use loose packing peanuts.\u003c\/li\u003e\n\u003cli\u003eUse a trackable carrier and do not ship until SMG provides the current service authorization and routing instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTransit time is separate from the advertised processing estimate. Cleaning, repairs, damaged parts, bearing work, or additional disassembly may add cost and time. Contact SMG for help choosing pulleys, hubs, throttle bodies, fueling, cooling, and calibration support for a complete LT4 package.\u003c\/p\u003e\u003ch3\u003eRecommended service add-ons\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/smgspeed.com\/products\/kong-performance-stage-x-port-add-on\"\u003eKong Stage X Port Add-On\u003c\/a\u003e — supplemental CNC machining for eligible high-output LT4 combinations.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/smgspeed.com\/products\/kong-performance-full-snout-rebuild\"\u003eKong Full Snout Rebuild\u003c\/a\u003e — bearing inspection and rebuild while the unit is already at Kong.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReturn shipping\u003c\/h3\u003e\u003cp\u003eThe customer is responsible for shipping the prepared supercharger to Kong Performance. Checkout collects UPS Ground return shipping from Kong’s Pennsylvania facility to the customer using the packed blower weight and the saved foam-lined LT4 shipping container. SMG supplies the return label after service is complete.\u003c\/p\u003e","brand":"Kong Performance","offers":[{"title":"Default Title","offer_id":54850013692223,"sku":"KONG-PORT-LT4","price":1275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/kong-lt4-cnc-porting_7bc87bde-3346-45c4-a9ca-6c4b62988370.jpg?v=1785586190","url":"https:\/\/smgspeed.com\/products\/kong-performance-cnc-ported-lt4-supercharger-snout","provider":"SMGspeed","version":"1.0","type":"link"}