{"product_id":"prokomon-engine-compression-tester-kit-11-pc-dual-scale-0-300-psi-0-20-bar-brass-adapters","title":"Prokomon Engine Compression Tester Kit 11‑pc — Dual‑Scale 0–300 PSI\/0–20 BAR, Brass Adapters","description":"\u003cp\u003e\u003cstrong\u003eProkomon 11pcs Professional Engine Compression Tester Kit is a complete diagnostic set for measuring cylinder compression on gasoline engines with a large dual-scale gauge and multiple adapters for easy, accurate testing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compression tester kit is built for hobbyists and professional mechanics who need reliable, repeatable cylinder pressure readings across cars, motorcycles, ATVs and small engines. The kit combines a clear 0–300 PSI \/ 0–20 BAR dial, a pressure-retaining check valve, brass adapters for common spark plug sizes and several extension options to reach recessed wells. Everything packs into a rugged blow-molded case so you can carry the kit to the shop or keep it in your service vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the dual-scale gauge improve reading accuracy?\u003c\/h3\u003e\n\u003cp\u003eThe large dial displays both PSI and BAR so you can read results in the unit your workflow requires. An acrylic cover and rubber protective boot reduce parallax and protect the face from impacts, while the internal construction maintains stable readings under vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClear 0–300 PSI and 0–20 BAR markings for quick interpretation\u003c\/li\u003e\n  \u003cli\u003eAcrylic glass cover for scratch-resistant visibility\u003c\/li\u003e\n  \u003cli\u003eRugged rubber boot absorbs shocks and prevents damage\u003c\/li\u003e\n  \u003cli\u003eBuilt-in check valve holds peak pressure for accurate recording\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and vehicles can I test with this kit?\u003c\/h3\u003e\n\u003cp\u003eThis Prokomon kit is designed for petrol\/gasoline engines only and fits most common spark plug threads and recessed wells. It includes both straight and bent aluminum rods, a flexible hose and five brass adapters to work on cars, motorcycles, ATVs, lawn equipment and other small gasoline engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdapters: M10, M12, M14, M16, M18 for broad compatibility\u003c\/li\u003e\n  \u003cli\u003eFlexible extension hose and 200mm metal connector for deep wells\u003c\/li\u003e\n  \u003cli\u003eWorks with rotary and push-in adapters where applicable\u003c\/li\u003e\n  \u003cli\u003eNot suitable for diesel engines — use only on petrol\/gasoline engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat problems can this tester help identify?\u003c\/h3\u003e\n\u003cp\u003eCompression readings indicate the mechanical condition of an engine's combustion chambers. Use this tool to spot common issues such as worn piston rings, leaking or burned valves, head gasket failure and heavy carbon buildup by comparing cylinder-to-cylinder pressure values.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDetect low or uneven compression between cylinders\u003c\/li\u003e\n  \u003cli\u003eReveal leaking valves, damaged piston rings, or cracked heads\u003c\/li\u003e\n  \u003cli\u003eIdentify need for further tests like leak-down or head inspection\u003c\/li\u003e\n  \u003cli\u003eLock peak pressure with the check valve for consistent comparisons\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to set up and store the Prokomon kit?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes threaded brass adapters and multiple extension pieces that assemble quickly without special tools. After testing, each component nests in a custom foam layout inside the blow-molded carrying case to protect fittings and keep everything organized for the next job.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick-connect fittings and threaded adapters speed setup\u003c\/li\u003e\n  \u003cli\u003eSpecially molded case keeps parts sorted and protected\u003c\/li\u003e\n  \u003cli\u003eCompact layout fits in a toolbox or vehicle trunk for mobile use\u003c\/li\u003e\n  \u003cli\u003eDurable materials designed for workshop environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Prokomon 11pcs Professional Engine Compression Tester Kit is ideal for DIY mechanics, mobile technicians and small shop owners who need a dependable, transportable compression gauge set. It suits anyone servicing gasoline engines who wants clear, repeatable pressure readings and a range of adapters to cover cars, bikes, ATVs and lawn equipment without buying multiple tools.\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: Can I use this kit on diesel engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The Prokomon kit is designed for petrol\/gasoline engines only and should not be used on diesel engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the gauge hold peak pressure for reading later?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The built-in check valve locks the peak pressure at the spark plug for consistent readings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Prokomon","offers":[{"title":"Default Title","offer_id":67588710596793,"sku":"B0C4L8LRW8","price":83.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/prokomon-compression-tester-front-view.jpg?v=1790522642","url":"https:\/\/redleafauto.ca\/products\/prokomon-engine-compression-tester-kit-11-pc-dual-scale-0-300-psi-0-20-bar-brass-adapters","provider":"Redleaf Auto","version":"1.0","type":"link"}