Oil Valley Block Off Plugs (16pcs)-Fit For Chevrolet,GM,Oldsmobile,Cadillac,2005-2018 Gen IV-Designed For 2005-2019 Gen IV/V Engines

Upgrade your engine maintenance with our 16-piece Oil Valley Block Off Plugs kit, designed specifically for 2005-2018 General Motors Gen IV engines. This comprehensive ensuring optimal fit for Chevrolet, Cadillac, Oldsmobile, and GM vehicles with 4.8L, 5.3L, 6.0L, and 6.2L engines (including L99, LSX, and LT series). Note: Not compatible with aftermarket valley covers or Gen V engines without OEM covers.

• Precision Compatibility: Designed for 2005-2019 Gen IV/V engines including L99, L83, L86, LT1, LT4, LT5, and LSX/LT series (4.8L/5.3L/6.0L/6.2L). Fit for Chevrolet, GM, Cadillac, and Oldsmobile models with genuine OEM AFM/DOD valley covers (Note: Not for aftermarket covers).
• Durable Machined Metal Construction: Resists engine heat (up to [insert temp range if available]), oil pressure, and vibrations.Outperforms plastic plugs or makeshift solutions like epoxy or set screws.
• Freeze-Assist Installation: For tight-fit installation, freeze plugs for 1 hour before tapping gently into oil passages. Flush design with removable 4mm x 0.7 top threads for future easy removal.
• OEM-Grade Quality: 16-piece kit manufactured to strict tolerances. Installs flush with oil galleys using a 4mm x 0.7mm threaded center (no drilling or sealant required).
• Reliable Support Guarantee: Every kit includes comprehensive quality assurance and dedicated customer support. Should you need assistance with installation or compatibility, our team provides prompt guidance—typically responding within 24 hours—to ensure a smooth experience.