{"id":820870,"date":"2026-10-18T16:58:26","date_gmt":"2026-10-18T16:58:26","guid":{"rendered":"https:\/\/tunerscapital.si\/product\/hg-motorsport-vzigalne-tuljave-za-porsche-m96-m97-911-996-997-boxster-986-987-cayman-987\/"},"modified":"2026-10-18T16:58:26","modified_gmt":"2026-10-18T16:58:26","slug":"hg-motorsport-vzigalne-tuljave-za-porsche-m96-m97-911-996-997-boxster-986-987-cayman-987","status":"publish","type":"product","link":"https:\/\/tunerscapital.eu\/en\/product\/hg-motorsport-vzigalne-tuljave-za-porsche-m96-m97-911-996-997-boxster-986-987-cayman-987\/","title":{"rendered":"HG Motorsport ignition coils for Porsche M96\/M97 (911 996\/997, Boxster 986\/987, Cayman 987)"},"content":{"rendered":"<h3>Technical optimisation for maximum performance<\/h3>\n<p><strong>HG Motorsport high-performance ignition coils<\/strong><\/p>\n<p>Maximum ignition energy and thermal stability for modern high-performance engines.<\/p>\n<p>In modern vehicles, particularly those with tuned engines, original ignition coils quickly reach their limits. Misfires, uneven combustion and thermal overload are often the result. 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 toughest conditions.<\/p>\n<h3>Technical features of the HG Motorsport ignition coils<\/h3>\n<ul>\n<li><strong>Optimised primary and secondary windings:<\/strong> more windings and high-quality copper wire provide improved energy transfer and consistently high ignition voltage.<\/li>\n<li><strong>Increased ignition energy (+10% compared with OE):<\/strong> perfect spark plug supply throughout the complete dwell period, ideal for high-performance engines.<\/li>\n<li><strong>Consistent energy output under high load:<\/strong> particularly suitable for turbocharged and supercharged engines requiring stable ignition voltage over longer periods.<\/li>\n<li><strong>Extended service life:<\/strong> high-quality insulating materials and optimised windings minimise thermal stress and protect against internal short circuits.<\/li>\n<li><strong>Thermal resistance:<\/strong> continuous operation up to 120\u00b0C and stable operation up to 140\u00b0C without loss of performance.<\/li>\n<li><strong>Optimised spark formation:<\/strong> stable ignition even at high boost pressures and richer mixtures, significantly improving combustion efficiency.<\/li>\n<\/ul>\n<p>The diagram shows the superior ignition energy of the HG Motorsport ignition coils compared with standard components:<\/p>\n<ul>\n<li><strong>Up to 1.5 ms:<\/strong> both coil types deliver comparable energy.<\/li>\n<li><strong>From 2.0 ms:<\/strong> the energy of standard ignition coils drops considerably, while the HG Motorsport ignition coils continue to deliver consistently high values.<\/li>\n<li><strong>At 3.0 ms:<\/strong> the HG Motorsport ignition coils deliver almost 25% more energy, which is crucial at high engine speeds and in tuned engines.<\/li>\n<\/ul>\n<p>Even at a temperature of 140\u00b0C, the ignition energy of the HG Motorsport ignition coils remains stable at 70 mJ, while OE coils are already failing or reaching critical values.<\/p>\n<h3>Ideal applications<\/h3>\n<ul>\n<li><strong>High-performance engines:<\/strong> optimum ignition even under extreme loads.<\/li>\n<li><strong>Motorsport and trackdays:<\/strong> stability and consistent energy during continuous operation.<\/li>\n<li><strong>Daily drivers with increased power:<\/strong> improved efficiency and ignition stability in everyday use.<\/li>\n<li><strong>As a replacement for OEM ignition coils:<\/strong> greater reliability and longer service life.<\/li>\n<\/ul>\n<h3>Winding structure and operation<\/h3>\n<p>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. The higher number of windings and improved insulation ensure consistent ignition energy even at high engine speeds and peak loads.<\/p>\n<h3>Thermal testing and long-term results<\/h3>\n<ol>\n<li><strong>Continuous thermal load:<\/strong> test setup with continuous operation at 120\u00b0C and simulated load changes over 100 hours.<br \/><strong>Result:<\/strong> no reduction in performance and no thermal degradation of the HG Motorsport ignition coils.<br \/><strong>Comparison:<\/strong> OE ignition coils lost approximately 25% of their energy after 50 hours, followed by initial material changes.<\/li>\n<li><strong>Additional test at 140\u00b0C:<\/strong> HG Motorsport coils operated consistently for 8 hours without failures. OE ignition coils suffered a performance drop of up to 40% after 4 hours, followed by thermal failures.<\/li>\n<\/ol>\n<h3>Summary of laboratory data<\/h3>\n<ul>\n<li><strong>Maximum ignition energy:<\/strong> HG Motorsport 120 mJ; OE ignition coil 90 mJ.<\/li>\n<li><strong>Continuous load at 120\u00b0C:<\/strong> HG Motorsport > 100 hours; OE 50 hours.<\/li>\n<li><strong>Functionality at 140\u00b0C:<\/strong> HG Motorsport stable for up to 8 hours; OE performance drop after 4 hours.<\/li>\n<li><strong>Insulation resistance (500 V):<\/strong> HG Motorsport > 20 M\u03a9; OE approximately 10 M\u03a9.<\/li>\n<\/ul>\n<p><strong>OEM numbers replaced by the ignition coil:<\/strong> 99760210402, 99760210404, 99760210405.<\/p>\n<p><strong>Suitable for:<\/strong> Porsche 911 996 \/ 997, Porsche Boxster I (986) \/ II (987), Porsche Cayman I (987).<\/p>\n<h3>Manufacturer\u2019s vehicle data<\/h3>\n<ul>\n<li>HG Hochleistungs Z\u00fcndspule Porsche 911 996\/997 inkl Turbo, Boxster 986\/987 Cayman 987  M96\/M97 Motor<\/li>\n<\/ul>\n<p><em>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":"<p>HG Motorsport high-performance ignition coils for Porsche M96\/M97 engines provide up to 10% more ignition energy than OE coils.<\/p>\n<p><strong>Suitable for:<\/strong> Porsche 911 996 \/ 997, Porsche Boxster I (986) \/ II (987), Porsche Cayman I (987).<\/p>\n","protected":false},"featured_media":820871,"comment_status":"open","ping_status":"closed","template":"","meta":{"ep_exclude_from_search":false},"product_brand":[146199],"product_cat":[27062],"product_tag":[],"class_list":["post-820870","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\/820870","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=820870"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/media\/820871"}],"wp:attachment":[{"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/media?parent=820870"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_brand?post=820870"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_cat?post=820870"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tunerscapital.eu\/en\/wp-json\/wp\/v2\/product_tag?post=820870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}