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  Ford 347 Reverse Dome -13.8cc - SRS Piston Set
Ford 347 -13.8cc Reverse Dome SRS Pistons

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Available Part Numbers/Oversize

10662-STD - 4.000
10662-030 - 4.030
10662-040 - 4.040


Probe SRS forged pistons are designed for high performance street and most racing applications. SRS pistons are available in a wide variety of designs, tuned to achieve the highest performance possible. Any combination from ultralight 2bbl oval track to high performance street, to heavily boosted race only cars will find Probe SRS Forged Pistons to be the perfect piston.

  • 2618-t61 Forged Aluminum
  • Lightweight wrist pins
  • Lightweight piston designs
  • Full floating wrist pins
  • Tight running clearances
  • Narrow piston rings
  • Low drag skirt design
  • Large variety of compression ratios
  • Design specific valve reliefs

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.

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Item# Item Name Probe Price Qty Add
10662-030 SRS Pistons - Ford 347 Reverse Dome -13.8cc (+.030)
10662-040 SRS Pistons - Ford 347 Reverse Dome -13.8cc (+.040)
10662-STD SRS Pistons - Ford 347 Reverse Dome -13.8cc (STD)
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Technical Specs:
Item Code10662
Vendor NameProbe Industries
Product TypePistons
Product ModelSportsman Race Series - SRS
Engine Displacement (
Engine FamilyFORD-LINCOLN-MERCURY - Small Block 302 Based V8
Material2618-t61 Forged Aluminum
Base Bore (in)4.000
Stroke (in)3.400
Rod Length (in)5.400
Compression Height (in)1.090
Top TypeReverse Dome
Net Head Volume (cc)-13.8
Dish Depth (in)-.100
Deck Thickness (in).225
Valve Pocket Cutters2.150 Intake - 1.700 Exhaust
Valve Pocket Depth (in).272 Intake - .200 Exhaust
Weight Without Pin (g)395
Wrist Pin Diameter (in).912
Wrist Pin Length (in)2.500
Wrist Pin Weight (g)113
Pin Lock TypeDouble Spiral
Ring Set #CR3690
Top Ring Groove Size1/16 in
Second Ring Groove Size1/16 in
Oil Ring Groove Size3/16 in
Top Ring Land (in).230
Second Ring Land (in).140
Bottom Ring Land (in).075
Oil Rail Support Part #10112
QuantitySold in sets of 8
NotesWill not fit Twisted Wedge cylinder heads

Compression Ratio:

Part Number
Cylinder Head Volume

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Forged Pistons - Domestic > SRS - Sportsman Race Series > Ford - 302 Small Block V8 > Reverse Dome