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625+ has a yield strength 17% greater than L19 and 30% greater than 8740
along with hard chrome stems and friction-welded hard tips
These are made from a billet core camshaft to ensure maximum durability
If you are wanting to push power approaching or exceeding 2000hp
Introducing the 4P Race Casting
4P Peacemaker CNC Head Honda (D Series) 625+ has a yield strengthIncludes CNC Ported intake and exhaust ports Manganese Bronze Valve Guides (16) Oversized Intake Seats (8) Precision CNC valve job using the latest NEWEN Fixed Turning technology Resurface 4P 38. 3mm Intake Valves (8) 4P Custom Exhaust Valves (8) World Record NITRO All Motor. yep Recommended Use 2. 7L and larger serious DRAG RACE ONLY If you have smaller than a 2. 7L engine, go see the Super 99 Features & Benefits OVER 425 CFM! 15 25 hp over the
