{"product_id":"boundary-nissan-vq-all-types-vhr-shim-kit-10-20-30-psi-3-shims","title":"Boundary VQ 3.5L\/3.7L VHR Shim Kit (10\/20\/30 PSI) — Fits All VQ Types","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 Boundary\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eBoundary engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Boundary lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Oil Pressure Tuning with Boundary Shim Kits\u003c\/h2\u003e\u003cp\u003eFine-tune your engine's oil pressure with the Boundary Shim Kit, specifically designed for Nissan VQ 3.5L and 3.7L VHR engines. This kit allows you to customize your oil pressure relief settings, giving you the flexibility to optimize your lubrication system for your specific engine build and operating conditions. Whether you need to increase pressure for a high-performance track setup or maintain factory specs, these shims provide the necessary adjustment range.\u003c\/p\u003e\u003ch3\u003eKit Contents and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncludes three precision shims for 10, 20, and 30 PSI adjustments\u003c\/li\u003e\n\u003cli\u003eCompatible with all Nissan VQ engine types\u003c\/li\u003e\n\u003cli\u003eAllows for custom oil pressure tuning\u003c\/li\u003e\n\u003cli\u003eHigh-quality materials for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eSimple installation process for quick adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOil pressure is vital for engine health, and having the ability to adjust your relief valve can make a significant difference in how your engine performs under load. These shims are designed to be used with the oil pump pressure relief valve, allowing you to increase the spring tension and raise the pressure at which the valve opens. This is a cost-effective way to ensure your engine receives adequate oil pressure, especially in high-RPM applications where oil demand is increased. Trust the precision engineering of Boundary to keep your engine running at its best. Explore our full catalog of performance upgrades at 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 Boundary 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\/boundary-toyota-celica-lotus-elise-2zzge-billet-gear-high-flow-oil-pump-assembly\" style=\"color:#0066cc;text-decoration:none;\"\u003eBoundary Billet Gear High Flow Oil Pump Assembly — Toyota 2ZZGE Celica Lotus Elise\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/boundary-03-05-dodge-srt4-a853-2-4l-i4-oil-pump-assembly\" style=\"color:#0066cc;text-decoration:none;\"\u003eBoundary A853 2.4L I4 Billet Oil Pump Assembly — 03-05 Dodge SRT4\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/boundary-91-5-00-ford-mazda-bp-non-vvt-i4-billet-oil-pump-gear\" style=\"color:#0066cc;text-decoration:none;\"\u003eBoundary BP Non-VVT Billet Oil Pump Gear — 91.5-00 Ford\/Mazda I4\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/boundary-01-05-ford-mazda-bp-vvt-i4-billet-oil-pump-gear\" style=\"color:#0066cc;text-decoration:none;\"\u003eBoundary Billet Oil Pump Gear — Fits 01-05 Ford Mazda BP VVT I4\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/boundary-91-5-00-ford-mazda-bp-1-6l-1-8l-non-vvt-i4-oil-pump-assembly-w-o-crank-seal\" style=\"color:#0066cc;text-decoration:none;\"\u003eBoundary Oil Pump Assembly — Fits 91.5-00 Ford Mazda BP 1.6L 1.8L Non-VVT\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\":\"Boundary VQ 3.5L\/3.7L VHR Shim Kit (10\/20\/30 PSI) \\u2014 Fits All VQ Types\",\"description\":\"Fine-tune your oil pressure with the Boundary VQ Shim Kit for 3.5L\/3.7L VHR engines. 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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 Boundary?\",\"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 Boundary VQ 3.5L\/3.7L VHR Shim Kit (10\/20\/30 PSI) \\u2014 Fits All VQ Types?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. 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