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You are here: Home > Engine Kits > Ford - 351 Windsor > 427 Cubic Inches - 4.170 Stroke > Flat Top

Flat top pistons in a 427 Ford engine will generally provide compression ratios in the 12.5:1 (61cc head) range which makes them a good option for engines with aluminum heads and larger than stock camshafts. They also work well in heads with larger combustion chambers. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to slightly over .600 valve lift.

Villain - Cast Crank, through-bolt rods, forged pistons, designed for stock replacement and mild performance applications.

Vigilante - 4340 Forged Crank, I-Beam rods, forged pistons, designed for Street or Street and Strip performance applications.

Vindicator - 4340 Forged Crank, H-Beam rods (ARP-2000), custom forged pistons designed for serious Street or all out Strip applications.

Vanquisher - 4340 Forged Crank, H-Beam rods (ARP-2000), custom forged pistons designed for serious Street or all out Strip applications. All components are Made in the USA.
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Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 427W - Flat Top - -5.0cc - External (28)

P/N: 9101-11009
  • All Standard Wedge Cylinder Heads
  • Probe SRS Series 4032 Forged Pistons1.165 C/H
  • Probe 4.170 Stroke 4340 Forged Steel Crankshaft-3.000 Main
  • Probe 6.250 Long 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • External Balance (28 oz)
  • Components rated at 700+ Horsepower
Available Bore Sizes: 4.030, 4.040, 4.060
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 427W - Flat Top - -5.0cc - Internal

P/N: 9101-11017          Internal Balance
  • All Standard Wedge Cylinder Heads
  • Probe SRS Series 4032 Forged Pistons-1.165 C/H
  • Probe 4.170 Stroke 4340 Forged Steel Crankshaft-2.750 Main
  • Probe 6.250 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • Internal Balance
  • Components rated at 700+ Horsepower
Available Bore Sizes: 4.030, 4.040, 4.060
Probe Vindicator Engine Kit
Vindicator Engine Kit - Ford 427W - Flat Top - -3.0cc - External

P/N: 9201-11026
  • All Standard Wedge Cylinder Heads
  • Probe PRS Series 2618-t6 Forged Pistons-1.155 C/H
  • Probe 4.170 Stroke 4340 Forged Steel Crankshaft-3.000 Main
  • Probe 6.250 ctc 4340 Lightweight I-Beam Rods
  • ARP 2000 Cap Screws
  • External Balance (28 oz)
  • Components rated at 850+ Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040, 4.060
Probe Vindicator Engine Kit
Vindicator Engine Kit - Ford 427W - Flat Top - -4.0cc - Internal

P/N: 9201-11034                    Internal Balance
  • All Standard Wedge Cylinder Heads
  • Probe PRS Series 2618-t6 Forged Pistons-1.155 C/H
  • Probe 4.170 Stroke 4340 Forged Steel Crankshaft-2.750 Main
  • Probe 6.250 ctc 4340 Lightweight I-Beam Rods
  • ARP 2000 Cap Screws
  • External Balance (28 oz)
  • Components rated at 850+ Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040, 4.060