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  Probe Industries SRS Pistons - Ford 302/393W Dome Top +8.0cc Twisted Wedge
Ford 302/393W +8.0cc Dome Top SRS Pistons




 
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Available Part Numbers/Oversize

10471-STD - 4.000
10471-030 - 4.030
10471-040 - 4.040

SPORTSMAN RACE SERIES - SRS

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.



Item# Item Name CHP Price Qty Add
10471-030 SRS Pistons - Ford 302/393W Dome Top +8.0cc (+.030)
$572.00
10471-040 SRS Pistons - Ford 302/393W Dome Top +8.0cc (+.040)
$572.00
10471-STD SRS Pistons - Ford 302/393W Dome Top +8.0cc (STD)
$572.00
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Technical Specs:
Item Code10471
VendorProbe Industries
Product TypePistons
Product ModelSportsman Race Series - SRS
ApplicationTwisted Wedge
Engine Displacement
302/393
Engine FamilyFORD - 302/351 Windsor Based V8
Material2618-t61 Forged Aluminum
Base Bore
4.000
Stroke
3.000/3.850
Rod Length
5.090/5.956
Compression Height
1.600
Top TypeDome Top
Net Head Volume
+8.0
Dome Height
.250
Deck Thickness
.200
Dome TypeTwisted Wedge
Valve Pocket Cutters2.150 Intake - 1.750 Exhaust
Valve Pocket Depth
.150 Intake - .050 Exhaust
Weight Without Pin
492
Wrist Pin Diameter
.912
Wrist Pin Length
2.500
Wrist Pin Weight
113
Pin Lock TypeDouble Spiral
Ring Set
CR3690
Top Ring Groove
1/16
Second Ring Groove
1/16
Oil Ring Groove
3/16
Top Ring Land
.215
Second Ring Land
.140
Bottom Ring Land
.070
QuantitySold in sets of 8
NotesWill not fit Standard cylinder heads




Compression Ratio:

Part Number
Cylinder Head Volume
58.0cc61.0cc64.0cc68.0cc
Ford 302
10471-03011.3610.8710.429.89
10471-04011.4010.9110.469.93
10471-STD11.2310.7510.319.78
Ford 393W
10471-03014.2713.6413.0712.39
10471-04014.3213.6913.1212.44
10471-STD14.1013.4812.9212.24




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Pistons > Ford - 351 Windsor Small Block V8 > Solid Dome (Twisted Wedge)