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  Probe Industries FPS Pistons - Ford 302/393W Dish Top -12.2cc
Ford 302/393W -12.2cc Dish Top FPS Pistons

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Probe FPS Forged Pistons are designed for heavy duty (towing, etc.) or high performance street car, trucks, marine and some racing applications. FPS pistons are far stronger than hypereutectic cast pistons. May be used with boost and nitrous oxide.

  • 4032 Forged Aluminum
  • Increased valve clearance
  • Tight piston to wall clearance
  • Reduced piston weight
  • Reinforced piston skirts
  • Offset wrist pins (Eliminates collapsed piston skirts)
  • Press-fit or floating wrist pins

    PROBE Industries Forged Pistons - The Fastest, Most Powerful Pistons For the Money! Since 1987 Probe Industries has manufactured a wide variety of products ranging from lightweight billet rockers to forged pistons. Probe Industries is continually striving for excellence in offering a large selection of products to racers and automotive enthusiasts. Today, Probe forged pistons are a result of many years of technological advances in both forging and machine tool technology.

    Item# Item Name Racer Price Qty Add
    P2305F-030 FPS Pistons - Ford 302/393W Dish Top -12.2cc (+.030")
    P2305F-040 FPS Pistons - Ford 302/393W Dish Top -12.2cc (+.040")
    P2305F-STD FPS Pistons - Ford 302/393W Dish Top -12.2cc (STD)
    Check the items you wish to purchase, then click

Technical Specs:
Item CodeP2305F
Vendor NameProbe Industries
Product TypePistons
Product ModelFactory Performance Series - FPS
Engine Displacement (
Engine FamilyFORD-LINCOLN-MERCURY - Small Block 302 Based V8, Small Block 351 Windsor Based V8
Material4032 Forged Aluminum
Base Bore (in)4.000
Stroke (in)3.000/3.850
Rod Length (in)5.090/5.956
Compression Height (in)1.605
Top TypeDish Top
Net Head Volume (cc)-12.2
Dish Depth (in)-0.068
Deck Thickness (in)0.282
Weight Without Pin (g)520
Wrist Pin Diameter (in)0.912
Wrist Pin Length (in)3.020
Wrist Pin Weight (g)146
Pin Lock TypePress Fit
Ring Set #40564CP
Top Ring Groove Size5/64 in.
Second Ring Groove Size5/64 in.
Oil Ring Groove Size3/16 in.
Top Ring Land (in)0.250
Second Ring Land (in)0.170
Bottom Ring Land (in)0.090
QuantitySold in sets of 8.

Compression Ratio:
Part NumberCylinder Head Volume
Ford 302
Ford 393W

Browse for more products in the same category as this item:

Pistons > Ford - 302 Small Block V8 > Dish Top
Pistons > Ford - 351 Windsor Small Block V8 > Dish Top
Make > Ford