It comes with options such as internal milling, radial or top gas porting, and numerous coatings. The pistons are made from a single piece billet forging and milled down to spec. Rated 5.00 out of 5 based on 14 customer ratings (14 customer reviews) 169. lift cams and larger valves without altering bore size or flycutting pistons. Sold by 166 Auto Inc and ships from Amazon Fulfillment. Ships from and sold by Engine Parts Center. These pistons are offered in 9-10:1 forced induction applications or 11:1 high compression. Twisted Wedge Ford 185cc Bare Cylinder Head Castings 44cc 4.6L/5.4L 2V. This item: 2008-10 NEW Ford 6.4 6.4L Powerstroke Diesel MAHLE Pistons ONLY.
Sold by Auto Parts Wholesale and ships from Amazon Fulfillment. Ross Racing Pistons has released their new 4.6-liter TFS head piston with the relocated valve design. This item: Ford 6.4 Powerstroke HD Piston Set, International Navistar STD Piston Set. For this to work properly, a redesigned piston that has been engineered for this design must be used. The benefit is a dramatic increase in mid-lift airflow and increased piston-to-valve and valve-to-bore clearance that allow higher lift cams and larger diameter valves to be used without having to alter the bore size or flycutting pistons.
The Trick Flow Twisted Wedge combustion chamber design for 2-valve 4.6/5.4-liter modular engines feature an intake valve that is moved to the opposite side of the camshaft.
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