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Flat Top Dish Top Dome Top

Flat Top

SRS Forged Pistons
for Chevy

350 through 383

  • 2618-t6 forged aluminum

  • Tight running clearance (.002 to .006)

  • Weight matched (+/- 2.5 grams)

  • Finished diameters +/- .00005

  • Fits most 23 degree heads

Our Tool Steel Wrist Pin Upgrade Is Now
 Available At A Substantially Reduced Cost!

Probe Moleculite forged pistons are designed specifically for Small Block Chevrolet racing applications where minimal weight and reduced drag are desirable. Low friction ring packs, added to our exclusive skirt designs promise more power......without sacrificing reliability! Try our Probe Moleculite piston with our Ultralight connecting rods for the ultimate lightweight design.
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 PROBE FORGED PISTONS
Compression Ratio computed with .010 deck and .038 head gasket at bore +.125" (weights and compression ratios are approximate)
    Compression Ratio      
Bore Weight 58cc 64cc 68cc 76cc Part # Ring Set  

"Moleculite" Flat tops - 350 - 3.480 Stroke - 5.700 Rod- 1.560 C/H - .927 x 2.500 - 118 Gram Pin
4.000 389

10.90

10.14

9.70

8.93

 14103-Std 315-0066 Ring Grooves 1.2 1.5 3mm
4.030 395 11.03 10.26 9.81 9.03 14103-030   Valve Relief Volume 4.0cc
4.040 397 11.07 10.30 9.85 9.07 14103-040    
4.060 399 11.16 10.38 9.93 9.14 14103-060    

"Moleculite" Flat tops - 350 - 3.480 Stroke - 6.000 Rod- 1.260 C/H - .927 x 2.500 - 118 Gram Pin
4.000 346

10.90

10.14

9.70

8.93

 14104-Std 315-0066 Ring Grooves 1.2 1.5 3mm
4.030 351 11.03 10.26 9.81 9.03 14104-030   Valve Relief Volume 4.0cc
4.040 353 11.07 10.30 9.85 9.07 14104-040    
4.060 355 11.16 10.38 9.93 9.14 14104-060    

"Moleculite" Flat tops - 383 - 3.750 Stroke - 5.700 Rod- 1.425 C/H - .927 x 2.500 - 118 Gram Pin
4.000 376 11.67 10.85 10.37 9.54 14105-Std 315-0066 Ring Grooves 1.2 1.5 3mm
4.030 381 11.81 10.98 10.50 9.66 14105-030   Valve Relief Volume 4.0cc
4.040 383 11.85 11.02 10.54 9.70 14105-040    
4.060 385 11.94 11.11 10.62 9.77 14105-060    

"Moleculite" Flat tops - 383 - 3.750 Stroke - 6.000 Rod- 1.125 C/H - .927 x 2.500 - 118 Gram Pin
4.000 343 11.67 10.85 10.37 9.54 14106-Std 315-0066 Ring Grooves 1.2 1.5 3mm
4.030 348 11.81 10.98 10.50 9.66 14106-030   Valve Relief Volume 4.0cc
4.040 350 11.85 11.02 10.54 9.70 14106-040    
4.060 352 11.94 11.11 10.62 9.77 14106-060    
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 PROBE FORGED PISTONS