{"product_id":"accel-0576s-4-shorty-copper-core-spark-plug-pack-of-4-cramped-space-performance","title":"ACCEL 0576S-4 Shorty Copper Core Spark Plug Pack of 4 | Cramped Space Performance","description":"\u003ch2\u003eACCEL Shorty Copper Core Spark Plug Overview\u003c\/h2\u003e\n\u003cp\u003eThe ACCEL 0576S-4 Shorty spark plugs are built for engines where space is tight. Their compact design helps keep spark plug boots away from heat from exhaust manifolds or headers, reducing the risk of boot damage and header contact. The copper-core construction boosts heat transfer, supporting more stable operating temperatures and consistent ignition under spirited driving. This combination aims to deliver a practical upgrade for crowded engine bays without sacrificing reliability.\u003c\/p\u003e\n\u003cp\u003eIn everyday driving, you may notice quicker response during acceleration and a more decisive feel when you roll onto the throttle, especially at higher RPM. The copper core contributes to efficient heat management, which can help maintain steady performance across a range of speeds and loads. While individual results vary, users often report less fouling and smoother combustion behavior when ignition stays consistent and heat is well managed.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits for Real-World Driving\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for use in cramped spaces, helping boots and headers avoid contact\u003c\/li\u003e\n  \u003cli\u003eSignificantly more power at high RPMs for stronger top-end performance\u003c\/li\u003e\n  \u003cli\u003eInstant throttle response and the potential for improved fuel economy with steady firing\u003c\/li\u003e\n  \u003cli\u003eReduced risk of fouling, flame dissipation, and misfires through reliable heat transfer\u003c\/li\u003e\n  \u003cli\u003ePack of four for convenient replacement and balanced maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesign, Fit, and Installation Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCopper-core construction offers enhanced thermal conductivity for stable operation\u003c\/li\u003e\n  \u003cli\u003eMachine-rolled 14mm threads help protect engine heads during installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard 5\/8 inch spark plug sockets for easy removal and installation\u003c\/li\u003e\n  \u003cli\u003eShorty form factor is specifically aimed at tight engine compartments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat to Expect\u003c\/h3\u003e\n\u003cp\u003eThese plugs are designed to be a straightforward upgrade in compatible engines where space is at a premium. They emphasize practical performance enhancements rather than lofty guarantees, so consider them as a potential improvement that aligns with your goals for better throttle response, high-RPM strength, and reliable ignition in cramped installations.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What sets ACCEL 0576S-4 Shorty apart from standard spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The copper-core design improves heat transfer and stability, while the Shorty form fits tight spaces for easier maintenance and access.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the pack, and how do I install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The pack contains four plugs; they use 14mm threads and a standard 5\/8 socket for straightforward installation in cramped engine bays.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACCEL","offers":[{"title":"Default Title","offer_id":42470944866389,"sku":"B007RVTC7W","price":57.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/accel-shorty-copper-core-spark-plug-pack-4.jpg?v=1778157404","url":"https:\/\/plentytorque.co.uk\/products\/accel-0576s-4-shorty-copper-core-spark-plug-pack-of-4-cramped-space-performance","provider":"PlentyTorque","version":"1.0","type":"link"}