Piston, Forged, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block,
Piston 383cui .040over
Flat top 1,920_comp. H.
Schmiedekolben
Verdichtung bei closed chamber cylinderhead ~ 9.77:1 with 78.5cc,
Verdichtung bei open chamber cylinderhead ~ 8.94:1 with 88cc head.
Brand: Speed Pro
Part Type: Pistons
Product Line: Speed-Pro Forged Pistons
Bore (in): 4.290 in.
Bore (mm): 108.966mm
Piston Style: Flat top, with novalve reliefs
Piston Material: Forged aluminum
Compression Distance (in): 1.920 in.
Wrist Pin Style: Press-fit
Pin Diameter (in): 1.094 in.
Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
Quantity: Sold individually.
Notes: Duroshield skirt coated piston.
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Tool Stroker Combinations
These Speed-Pro forged pistons are made from extruded VMS-75 aluminum alloy that's forged under 3,000 tons of pressure to _near-net_ shape. After that, they're machined to their final configuration. These pistons offer excellent strength and durability and are capable of taking the punishment that's dished out on the street and in competition. They're available for a wide variety of applications, including OE replacements and all-out racing engines.
Speed Pro