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STREET FIGHTER Engine Kit - Ford 521 Flat Top -3.0cc
Ford 521 Flat Top -3.0cc Street Fighter Engine Kit

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The Street Fighter Engine Kits are engineered for high performance street and limited race applications. Cast Steel crankshafts, forged connecting rods and lightweight forged pistons are the norm. The Street Fighter is comfortable when used with power adders, and 500+ horsepower is common.

Street Fighters Include:

  • Forged Pistons
  • CHP Cast Steel Crankshafts
  • CHP Machined Beam Forged Rods
  • Total Seal Moly Rings
  • King Engine Bearings

Item# Item Name CHP Price Qty Add
10663-030-SF-F521 STREET FIGHTER Engine Kit - Ford 521 Flat Top -3.0cc (+.030")
$0.00
10663-040-SF-F521 STREET FIGHTER Engine Kit - Ford 521 Flat Top -3.0cc (+.040")
$0.00
10663-060-SF-F521 STREET FIGHTER Engine Kit - Ford 521 Flat Top -3.0cc (+.060")
$0.00
10663-080-SF-F521 STREET FIGHTER Engine Kit - Ford 521 Flat Top -3.0cc (+.080")
$0.00
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ItemRacer PriceAdd
$200.00





Technical Specs:
Item Code10663-SF-F521
Vendor NameProbe Industries
Product TypeEngine Kit
Product ModelStreet Fighter
Engine Displacement (cu.in.)521
Engine FamilyFORD-LINCOLN-MERCURY - Big Block V8
BalancedNo
Piston ManufacturerProbe Industries
Piston Part Number10663
Piston Material2618-t61 Forged Aluminum
Piston Top TypeFlat Top
Piston Head Volume (CC)-3.0cc
Piston Base Bore (in)4.360
Piston Compression Height (in)1.350
Ring TypeMoly-Pre Fit
Crankshaft VendorProbe Industries
Crankshaft Part Number10022
Crankshaft MaterialCast Steel
Crankshaft Stroke (in)4.300
Crankshaft Main Journal Size (in)3.000
Crankshaft Rod Journal Size (in)2.200
Connecting Rod VendorProbe Industries
Connecting Rod Part Number14830
Connecting Rod Material5140 Forged Steel
Connecting Rod Length (in)6.800
Connecting Rod TypeMachined Beam (Bushed)




Compression Ratio:
Part NumberCylinder Head Volume
74.0cc86.0cc100.0cc
10663-03012.9211.5110.24
10663-04012.9711.5610.28
10663-06013.0611.6410.35
10663-08013.1611.7210.43

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Engine Kits > Ford Small Block & Big Block Engine and Stroker Kits - 302/351W/351C/390FE/427FE/428FE/460 > Ford - 460 Big Block V8 > 521/532 cubic inches > Flat Top
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