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S/R Stock Replacement Cylinder Heads

A recap of key features and benefits is as follows:
• Decks are approximately 50% thicker than factory castings
• Machined gasket surfaces assure improved sealing
• Port walls are approximately 50% thicker than stock
• Reinforced shaft mounting pads
• Thicker spring pads and combustion chamber roof
• Hardened steel exhaust valve seats are fully compatible with today’sformulated unleaded gas

What’s more, as an OEM replacement for Ford part #6090CAJ, World S/R 2.9 Ford V6 heads are fully 50-state emissions legal. Because of the propensity for OEM Ford 2.9 heads to crack, it is highly advisable to replace them at rebuild—rather than put a lot of machining effort, parts and assembly labor into factory castings that are apt to fail at any time. Cost-conscious engine rebuilders will recognize that an investment in S/R 2.9 Ford V6 heads will pay dividends by eliminating costly “comebacks.”