Mercury 2.5 Billet HeadsIntroducing our expertly engineered heads for Mercury V6 2. 5L engines from 1991 2005. These heads feature removable pucks to select an infinite range of compression in just a few minutes. They also feature a 1 8 npt gauge port for accurate temperatures. We recommend using NGK BR9EIX spark plugs. These heads fit all 2. 5L engines, except the 280 bolt pattern. Our new design now weighs 3lbs less than the previous version! Please select which CC

STANDARD LEAD TIME: 3-4 WEEKS

Anchor point for cable steering with backing plates

Ready for purchase is an extra set of intake spacers for your crankcase injected slide intake

installation is fast and frustration-free

Rod joints have a carbon fiber insert to reduce vibration

or break over time like the factory holders

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These fittings are anodized black for increased durability

This will fit all 2

ECU bracket

Head was bolted to block and never ran

a unique machining pattern