Chevrolet LS Oil Pump Assembly - Boundary - Stage 1 MartenWear +20 PSI Billet - 99-15. A direct-fit upgrade delivering added pressure and durability for LS 4.8L–6.2L engines.

Boundary’s Stage 1 combines billet construction with MartenWear-treated internals to help resist wear and hold clearances. The +20 PSI calibration targets stable oiling under load and RPM, suitable for refreshed or mildly modified builds. Designed for many 1999–2015 LS platforms, it installs in place of the factory pump to support reliable lubrication and consistent performance.

Features

• +20 PSI pressure calibration
• MartenWear-treated internals for wear resistance
• Billet construction
• Direct-fit: 1999–2015 LS 4.8L–6.2L
• Aims for stable pressure and consistent flow

Have questions or need guidance on your setup? Call our Austin shop at 512-982-9393 or our Los Angeles area shop at 562-981-6800. We offer installation and customization services at our locations in Austin, Texas and the Los Angeles, California area. Considering multiple items? Contact us for potential shipping discounts. We install on premises at both locations.

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