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  Probe Industries SRS Pistons - Chrysler 493 Flat Top -4.0cc
  Chrysler 493 -4.0cc Flat Top SRS Pistons


 
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SPORTSMAN RACE SERIES – SRS

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 Racer Price Qty Add
14778-030 SRS Pistons - Chrysler 493 Flat Top -4.0cc (+.030") $578.99
14778-040 SRS Pistons - Chrysler 493 Flat Top -4.0cc (+.040") $578.99
14778-060 SRS Pistons - Chrysler 493 Flat Top -4.0cc (+.060") $578.99
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Technical Specs:
Item Code14778
Vendor NameProbe Industries
Product TypePistons
Product ModelSportsman Race Series - SRS
Engine Displacement (cu.in.)493
Engine FamilyCHRYSLER-DODGE-PLYMOUTH - Big Block V8
Material2618-t61 Forged Aluminum
Base Bore (in)4.320
Stroke (in)4.150
Rod Length (in)6.768
Compression Height (in)1.865
Top TypeFlat Top
Net Head Volume (cc)-4.0
Deck Thickness (in)0.200
Valve Pocket Cutters2.400I - 2.400E
Valve Pocket Depth (in).150I - .150 E
Weight Without Pin (g)646
Wrist Pin Diameter (in)0.990
Wrist Pin Length (in)2.930
Wrist Pin Weight (g)151
Pin Lock TypeDbl Spiral
Ring Set #315-0003
Top Ring Groove Size1/16 in.
Second Ring Groove Size1/16 in.
Oil Ring Groove Size3/16 in.
Top Ring Land (in)0.280
Second Ring Land (in)0.185
Bottom Ring Land (in)0.090
QuantitySold in sets of 8.




Compression Ratio:
Part NumberCylinder Head Volume
72.0cc80.0cc84.0cc86.0cc
14778-03012.4611.5011.0810.89
14778-04012.5011.5511.1210.93
14778-06012.5911.6311.2111.01




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