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Pair (2) Premium Loaded Cylinder Heads for GM Chevy GMC 305 5.0L V8 Vortec (1996–2002)
Boost your engine's power, throttle response, and reliability with this PAIR (Set of 2) of brand-new, premium cast iron loaded cylinder heads. Designed for GM 305 / 5.0L V8 Vortec engines, these complete assemblies are fully equipped with intake/exhaust valves, heavy-duty springs, retainers, and seals—delivering a true drop-in solution with zero machine shop hassle!
⚡ Superior Performance & Heavy-Duty Engineering
- Enhanced Airflow: Precision-machined 3-angle valve seats blended to the bowl area for smooth intake/exhaust flow and optimum combustion efficiency.
- Maximum Durability: High-strength cast iron construction with induction-hardened valve seats to prevent premature wear and handle intense thermal stress.
- 58cc Combustion Chamber: Engineered specifically for 305 5.0L engines to preserve factory compression and restore lost horsepower and torque.
🚗 Precise Compatibility & Vehicle Fitment
Direct replacement for GM trucks, vans, and SUVs equipped with the 5.0L 305 V8 Vortec Engine (VIN Code "R") featuring the 8-bolt intake manifold design:
- Chevrolet: C1500 / K1500 Pickup (1996–1999), Express 1500 / 2500 Van (1996–2002), Tahoe (1996–1999, 5.0L V8), Suburban 1500 (1996–1999, 5.0L V8).
- GMC: Sierra 1500 / 2500 Pickup (1996–1999), Savana 1500 / 2500 Van (1996–2002), Yukon (1996–1999, 5.0L V8).
- Interchange OE Numbers: 12558059, 12552520, 12557113 (Casting # 059, 520, 113).
🚚 Courier Express Shipping & Safe Delivery
- Heavy-Duty Cardboard Packaging: Packed in double-wall reinforced cardboard boxes with high-density foam padding for maximum transit protection.
- Fast Commercial Courier: Shipped via standard FedEx / UPS Ground carriers. Due to heavy weight (~90lbs/pair), orders are split into TWO separate boxes with separate tracking numbers for safe arrival.
🛡️ 1-Year Limited Warranty & Support
- 1-Year Warranty: Fully backed by our 1-Year Limited Warranty against manufacturer defects.
- Fast Support: All inquiries are answered by our professional team within 24 hours.
