SKU: AT-1000780

4.080" Ford 390 / 444 FE Stroker Pistons (4.250" crank) + 030" Flat Top, 4032 Forged Pistons, -5 cc CH 1.325" Big Block Ford

+ 030" 4.250" Stroker & 6.700 BBC conrods

$1,100.54

or 4 payments of $275.13 with Info

SOLD OUT

Description

Forged Pistons Ford FE 390 Flat Top with 4.250 Stroker Crankshaft

Racetec / Autotec AT-1000779

4.080" +030" Flat Top - Forged Pistons Suits: 

  • Ford FE 390 Big Block 
  • 4.250 Stroker Crankshaft & 6.700" BBC Conrods 

Racetec / Autotec Forged Pistons

Manufactured on forged side relief, 4032 low expansion, high silicon material excellent for street or strip applications. Diamond turned skirts. CNC precision machined ring grooves. These forged pistons come with Top ring land gas distribution grooves to enhance performance & improved ring seal. These precision forged pistons also come with broached pin oiling & accumulator grooves. 

  • Piston Material: Forged 4032 low expansion
  • Engine: Ford FE Big Block - 390
  • Engine Cubic Capacity: 444
  • Bore Oversize: +030"
  • Piston Bore Size: 4.080"
  • Piston Compression Height: 1.325"
  • Crankshaft Stroke: 4.250”  (Stroker Crankshaft)
  • Rod Length: 6.700”  (BBC)
  • Piston Top: Flat Top -5cc
  • Wrist Pin Size: 0.990"  (BBC size)
  • Piston Weight: 475 grams
  • Rings Size: 1.5mm, 1.5mm, 3.0mm rings
  • Gudgeon/Wrist Pin:  0.990" - Included. 
  • Wire Locks:  Included 
  • Piston Rings included: NO - Recommend AT-4080

Note: Photos are not of actual product, Image may differ from actual product.

 

Specifications

SKU AT-1000780
Brand AUTOTEC

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4.080" Ford FE 390 / 395 Pistons, + 030" Flat Top, 4032 Forged Pistons, -5 cc CH 1.770" Big Block Fo