Sealed Power

L2291F40

Speed Pro TRW Ford Mercury 390 FE 4-barrel Forged Flat Top 4VR Coated Skirt Piston Set/8 9.6:1 +.040

EAN: 0087674132893

UPC: 087674132893

Forged

Bore: 4.090" (at +.040"); Comp Distance: 1.776"; Head Style: Flat head with 4-valve reliefs; Dome Volume:-10.0cc
Pin Size: .975" (included); Floating or press-fit; For stock 3.780" stroke crankshaft and stock length connecting rods
Appx Compression Ratio (w/+.030" bore): w/67.1cc chambers 10.00:1; w/68.0cc 9.91:1, w/71.0cc 9.62:1; DurOshield Coated Skirts
1966-70 Car with 4-barrel carburetor

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.

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