{"id":820726,"date":"2026-10-18T16:56:45","date_gmt":"2026-10-18T16:56:45","guid":{"rendered":"https:\/\/tunerscapital.si\/product\/hg-motorsport-vzigalne-tuljave-za-ford-focus-ii-rs-st-2-5-in-volvo-2-5-5-valjni-motor\/"},"modified":"2026-10-18T16:56:45","modified_gmt":"2026-10-18T16:56:45","slug":"hg-motorsport-vzigalne-tuljave-za-ford-focus-ii-rs-st-2-5-in-volvo-2-5-5-valjni-motor","status":"publish","type":"product","link":"https:\/\/tunerscapital.eu\/en\/product\/hg-motorsport-vzigalne-tuljave-za-ford-focus-ii-rs-st-2-5-in-volvo-2-5-5-valjni-motor\/","title":{"rendered":"HG Motorsport ignition coils for Ford Focus II RS\/ST 2.5 and Volvo 2.5 five-cylinder engines"},"content":{"rendered":"

Technical optimisation for maximum performance<\/strong><\/p>\n

HG Motorsport high-performance ignition coils<\/strong><\/p>\n

Maximum ignition energy and thermal stability for modern high-performance engines. In modern vehicles, particularly engines with increased power, original ignition coils quickly reach their limits. Misfires, uneven combustion and thermal overload are common consequences. HG Motorsport high-performance ignition coils have been specifically developed to overcome these challenges. They provide increased ignition energy, improved thermal stability and consistently reliable performance, even under the most demanding conditions.<\/p>\n

Technical features of the HG Motorsport ignition coils<\/h3>\n
    \n
  • Optimised primary and secondary windings:<\/strong> additional windings and high-quality copper wire provide improved energy transfer and consistently high ignition voltage.<\/li>\n
  • Increased ignition energy (+10% compared with OE):<\/strong> perfect spark plug supply throughout the entire dwell period, ideal for high-performance engines.<\/li>\n
  • Consistent energy output under high load:<\/strong> particularly suitable for turbocharged and supercharged engines that require stable ignition voltage over longer periods.<\/li>\n
  • Extended service life:<\/strong> high-quality insulation materials and optimised windings minimise thermal loads and protect against internal short circuits.<\/li>\n
  • Thermal resistance:<\/strong> continuous operation up to 120\u00b0C and stable operation up to 140\u00b0C without loss of performance.<\/li>\n
  • Optimised spark formation:<\/strong> stable ignition even at high boost pressures and richer mixtures, significantly improving combustion efficiency.<\/li>\n<\/ul>\n

    The diagram shows the superior ignition energy of the HG Motorsport ignition coils compared with standard components:<\/p>\n

      \n
    • Up to 1.5 ms:<\/strong> both coil types deliver comparable energy.<\/li>\n
    • From 2.0 ms:<\/strong> the energy of standard ignition coils drops noticeably, while the HG Motorsport ignition coils continue to deliver consistently high values.<\/li>\n
    • At 3.0 ms:<\/strong> the HG Motorsport ignition coils deliver almost 25% more energy \u2013 crucial at high engine speeds and in engines with increased power.<\/li>\n<\/ul>\n

      Even at a temperature of 140\u00b0C, the ignition energy of the HG Motorsport ignition coils remains stable at 70 mJ, while OE coils have already failed or reached critical values.<\/p>\n

      Ideal for the following applications<\/h3>\n
        \n
      • High-performance engines:<\/strong> optimum ignition even under extreme loads.<\/li>\n
      • Motorsport and track days:<\/strong> stability and consistent energy during continuous operation.<\/li>\n
      • Daily drivers with increased power:<\/strong> improved efficiency and ignition stability in everyday use.<\/li>\n
      • As a replacement for OEM ignition coils:<\/strong> greater reliability and longer service life.<\/li>\n<\/ul>\n

        Winding structure and operation<\/h3>\n

        The ignition coils use an optimised primary and secondary winding structure. The primary winding generates a strong magnetic field; when this field collapses, a high voltage is induced in the secondary winding. Thanks to the higher number of windings and improved insulation, consistent ignition energy is maintained even at high engine speeds and peak loads.<\/p>\n

        Thermal testing and long-term results<\/h3>\n

        1. Continuous thermal load<\/strong><\/p>\n

          \n
        • Test setup:<\/strong> continuous operation at 120\u00b0C with simulated load changes over 100 hours.<\/li>\n
        • Result:<\/strong> no reduction in performance and no thermal degradation of the HG Motorsport ignition coils.<\/li>\n
        • Comparison:<\/strong> OE ignition coils lost approximately 25% of their energy after 50 hours, followed by initial material changes.<\/li>\n<\/ul>\n

          Additional test at 140\u00b0C<\/strong><\/p>\n

            \n
          • HG Motorsport:<\/strong> stable operation for 8 hours without failures.<\/li>\n
          • OE ignition coils:<\/strong> performance reduction of up to 40% after 4 hours, followed by thermal failures.<\/li>\n<\/ul>\n

            Summary of laboratory data<\/h3>\n
              \n
            • Maximum ignition energy:<\/strong> HG Motorsport 120 mJ; OE ignition coil 90 mJ.<\/li>\n
            • Continuous load at 120\u00b0C:<\/strong> HG Motorsport > 100 hours; OE 50 hours.<\/li>\n
            • Functionality at 140\u00b0C:<\/strong> HG Motorsport stable for up to 8 hours; OE performance drop after 4 hours.<\/li>\n
            • Insulation resistance (500 V):<\/strong> HG Motorsport > 20 M\u03a9; OE approx. 10 M\u03a9.<\/li>\n<\/ul>\n

              The ignition coil replaces the following OEM numbers: 1371601, 6M5G-12029-AA, 30713417, 8677837.<\/p>\n

              Suitable for:<\/strong> Ford Focus II (DA), Volvo C30 I (533), Volvo C70 I (872), Volvo S40 II (544), Volvo S60 I (P2) \/ II (Y20), Volvo S80 I (184) \/ II (AS), Volvo V40 II (P1), Volvo V50 I (545), Volvo V70 II (P2) \/ III (P3), Volvo XC60 I (156), Volvo XC70 I (P2) \/ II (136), Volvo XC90 I.<\/p>\n

              Manufacturer\u2019s vehicle data<\/h3>\n
                \n
              • HG Hochleistungs Z\u00fcndspule Ford Focus MK2 RS\/ST 2.5 \/ Volvo 2.5 5 Zyl.<\/li>\n<\/ul>\n

                Original product name by HG Motorsport (\u00bbz.B.\u00ab = e.g.). Please check model, year and engine of your vehicle before ordering; if in doubt, contact us and we will check for you.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

                HG Motorsport high-performance ignition coils provide up to 10% more ignition energy and stable operation at high temperatures and loads.<\/p>\n

                Suitable for:<\/strong> Ford Focus II (DA), Volvo C30 I (533), Volvo C70 I (872), Volvo S40 II (544), Volvo S60 I (P2) \/ II (Y20), Volvo S80 I (184) \/ II (AS), Volvo V40 II (P1), Volvo V50 I (545), Volvo V70 II (P2) \/ III (P3), Volvo XC60 I (156), Volvo XC70 I (P2) \/ II (136), Volvo XC90 I.<\/p>\n","protected":false},"featured_media":820727,"comment_status":"open","ping_status":"closed","template":"","meta":{"ep_exclude_from_search":false},"product_brand":[146199],"product_cat":[27062],"product_tag":[],"class_list":["post-820726","product","type-product","status-publish","has-post-thumbnail","tc_lang-en","tc_lang-hr","product_brand-hg-motorsport","product_cat-vzigalne-tuljave","product_shipping_class-dostava-teza-do-2kg","pa_proizvajalec-hg-motorsport","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product\/820726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/comments?post=820726"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/media\/820727"}],"wp:attachment":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/media?parent=820726"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_brand?post=820726"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_cat?post=820726"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_tag?post=820726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}