Diamond Mopar 426 Hemi Pistons and 426 Hemi Stroker Piston Sets
Hemi pistons from Diamond Racing Pistons are available in several bore sizes, and strokes. Diamond Racing Mopar Hemi pistons are all high strength forged pistons. They offer high strength, but at the same time modern technology allows these pistons to be light weight improving engine performance further. These Hemi pistons are far superior to any cast or hypereutectic type piston. 426 Hemi Mopar Diamond piston sets offer reduced friction, better ring sealing, greater durability, faster acceleration, more horsepower and torque in your high performance street, strip or race car engine. Diamond forged pistons are great for Hemi muscle car restoration engines also. We are pleased to offer the entire line of Diamond Pistons to our customers at great discount pricing.
The table below includes the crankshaft stroke that each Diamond piston set is designed to work with. The stock stroke for the Mopar 426 Hemi is 3.750". We also have the Diamond Hemi pistons for 4.150" stroker crank Hemi engines. In addition, we have Hemi big bore pistons for use in Hemi blocks with a 4.500 bore size, in both stock stroke and stroker. If you need a Hemi piston set with different specs, please feel free to e-mail us and we will be happy to provide a quote for custom Hemi pistons, built to your exact requirements.
If you are using a stock stroke crankshaft in your engine project, you will need to select pistons to work with the stock stroke. If you are building a stroker engine using a 4.150" stroke crankshaft, then you will want to choose the matching 4.150" stroker pistons. We also have the 4.150" stroker cranks available as well as rotating assemblies or stroker kits.
Diamond 426 Hemi Mopar Piston Set Features
All Diamond Racing pistons for Dodge, Plymouth, Mopar 426 Hemi piston sets feature the following:
Big Block Mopar Hemi 426 and Stroker Hemi Piston Sets
The ring set part numbers listed below are Diamond Plasma Moly file fit sets. If you want a different ring set please contact us and we will be happy to go over other options with you.
If you do not need all the strength and performance of a forged piston set, or you want performance pistons but are on a tighter budget, we also have a large range of KB Hypereutectic pistons available, in standard bore and 6 different oversizes. You can view those pistons on our website here: KB 426 Hemi Pistons
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