Upgrade your Detroit Diesel engine with the Enhanced Performance Cylinder Head — engineered for durability, reliability, and optimal high-horsepower performance. Proudly cast, machined, and assembled in the United States, this cylinder head is far superior to OE reman units prone to cracking and thermal failure.

Key Performance Enhancements:

• +5% Nickel Content: Prevents cracking between valves

• +30% Larger Coolant Passages: Superior heat dissipation under heavy load

• Reinforced Internal Ribs: Reduces stress and warping under extreme conditions

• Inconel Exhaust Valves: Handles higher temps and pressure, resists pitting and corrosion

Why Choose TTM Diesel's Enhanced Cylinder Head?

• Built for high-load, high-heat environments

• Engineered to outperform and outlast standard OEM heads

• Perfect for customers running increased horsepower or towing heavy

• Avoid costly head failures associated with OE reman units

OEM Cross Reference Numbers:

23523294, 23525566, 23525566B, 23525567, 23526844, 660005, 660005X, 8929620, 8929620MG, 8929872,
D-S60HEAD, DDE23525566, DDER23525566, HDT23525566, HDT23525566VS, N23525566VS, R23525566