{"product_id":"high-performance-valve-springs-mrx-gd-kd-jj","title":"HIGH PERFORMANCE VALVE SPRINGS MRX, GD KD JJ","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eStrengthen your diesel engine build with these \u003cstrong\u003eHigh Performance Valve Springs for GD, KD and JJ applications\u003c\/strong\u003e, designed for modified engines operating beyond standard performance levels.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUpgraded valve springs are an important addition to serious engine builds, providing increased valve control for setups running performance camshafts, upgraded turbo systems and higher-performance tuning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy upgrade?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for compatible \u003cstrong\u003eGD, KD and JJ diesel engines\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for high-performance engine builds\u003c\/li\u003e\n\u003cli\u003eImproved valve control under increased engine demands\u003c\/li\u003e\n\u003cli\u003eIdeal for modified and tuned 4x4s\u003c\/li\u003e\n\u003cli\u003eComplements performance camshaft and turbo upgrades\u003c\/li\u003e\n\u003cli\u003eGreat addition to a complete performance engine build\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Please confirm your exact engine and cylinder-head specifications before ordering. Professional installation and correct engine setup are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuild your engine to handle more — order your performance valve springs online from 4x4 Nation.\u003c\/strong\u003e\u003c\/p\u003e","brand":"4x4 Nation ","offers":[{"title":"Default Title","offer_id":47646676418614,"sku":null,"price":11372.35,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8249\/6822\/files\/Screenshot2026-09-07162647.png?v=1788791227","url":"https:\/\/4x4nationafrica.com\/products\/high-performance-valve-springs-mrx-gd-kd-jj","provider":"4x4 Nation ","version":"1.0","type":"link"}