{"title":"Valve Spring Tester Springs","description":null,"products":[{"product_id":"pac-racing-springs-calibration-springs-for-spring-testers","title":"PAC Racing Springs T900 Calibration Spring Kit for Testers — Precision Tooling","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout PAC Racing Springs\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003ePAC Racing Springs engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PAC Racing Springs lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEnsure Testing Accuracy with PAC Racing T900\u003c\/h2\u003e\u003cp\u003ePrecision is the cornerstone of any successful engine build. The PAC Racing Springs T900 Calibration Spring Kit is an essential tool for any machine shop or serious engine builder using valve spring testers. Over time, testing equipment can lose its calibration accuracy; this kit allows you to verify your tester's readings, ensuring that every valve spring you install meets your exact specifications. By utilizing these certified calibration springs, you eliminate guesswork and ensure your valvetrain setup is perfectly balanced.\u003c\/p\u003e\u003ch3\u003eWhy Use the T900 Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncludes official PAC Racing calibration data sheet\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for PAC Valve Spring Testers\u003c\/li\u003e\n\u003cli\u003eEssential for verifying load and rate accuracy\u003c\/li\u003e\n\u003cli\u003eHigh-quality materials for repeatable results\u003c\/li\u003e\n\u003cli\u003eMust-have for professional engine builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUsing the T900 kit is simple and provides immediate verification of your equipment's performance. Don't risk your engine's health on unverified testing data. Whether you are measuring seat pressure or open pressure, knowing your tester is accurate is vital for preventing valve float and ensuring longevity. This kit is the gold standard for maintaining the reliability of your shop's diagnostic tools. For professional-grade engine building tools and high-performance components, look no further than GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular PAC Racing Springs products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pac-racing-springs-1-260-single-valve-spring-w-damper-1pk\" style=\"color:#0066cc;text-decoration:none;\"\u003ePAC Racing Springs 1200 Series 1.260 OD Single Valve Spring w\/Damper — High-Performance Ci\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pac-racing-springs-1-550-dual-valve-spring\" style=\"color:#0066cc;text-decoration:none;\"\u003ePAC Racing Springs 1200 Series 1.550 OD Dual Valve Spring — High-Output Drag Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pac-racing-springs-1-260-single-valve-spring-w-damper-1pk-1\" style=\"color:#0066cc;text-decoration:none;\"\u003ePAC Racing Springs 1200 Series 1.260 OD Single Valve Spring w\/Damper — Circle Track Perfor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pac-racing-springs-1-645-triple-valve-spring-1pk\" style=\"color:#0066cc;text-decoration:none;\"\u003ePAC Racing Springs 1200 Series 1.645 OD Triple Valve Spring — Extreme Drag Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/pac-racing-springs-1-025-valve-spring-ovate-beehive\" style=\"color:#0066cc;text-decoration:none;\"\u003ePAC Racing Springs 1200 Series 1.025 OD Ovate Beehive Valve Spring — High-Efficiency Perfo\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"PAC Racing Springs T900 Calibration Spring Kit for Testers \\u2014 Precision Tooling\",\"description\":\"Maintain accurate valve spring measurements with the PAC Racing T900 Calibration Spring Kit. 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Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for PAC Racing Springs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the PAC Racing Springs T900 Calibration Spring Kit for Testers \\u2014 Precision Tooling?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Suspension work requires proper spring compressors and torque specs. Plan 2-4 hours per corner for a DIY install.\"}}]}\u003c\/script\u003e","brand":"PAC Racing Springs","offers":[{"title":"Default Title","offer_id":41366267297876,"sku":"DHDL_PAC-T900","price":119.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/PACPAC-T900.jpg?v=1719608722"}],"url":"https:\/\/ggcracing.com\/collections\/valve-spring-tester-springs\/closeout.oembed","provider":"GGCRACING INC","version":"1.0","type":"link"}