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True Plasma Moly Ring Sets

 

TRUE SEAL Rinigset Feature

  • Our Plasma Moly Top Rings are superior under stress or in extreme heat conditions.

  • Ductile cast iron second ring feature a reverse twist tapered-face design.

 
 

We start with a plasma moly ring that is barrel lapped for quick seating and long life. Second rings are cast iron reverse torsion twist. The oil rings feature a stainless steel expander with two chromium plated carbon steel rails.  These rings are ideal for all high performance applications.

 
 

Spirolox

High Quality Replacements for most popular performance pistons.  Sold in sets of 32.

HRC4500...For .896"->945" Diameter Pins
HRC4501...For .946"-1.005" Diameter Pins

 

1/16”, 1/16”, 3/16” File Fit

Bore

Std. Tension

Low Tension

  Bore Std. Tension Low Tension

4.000”

HRC4860-4000-5      4.250” HRC4860-4250-5  

4.020” 

HRC4860-4020-5     4.280” HRC4860-4280-5  

4.030”  

HRC4860-4030-5 HRC4862-4030-5   4.310” HRC4860-4310-5  

4.040”  

HRC4860-4040-5 HRC4862-4040-5   4.350” HRC4860-4350-5  

4.060”

HRC4860-4060-5     4.500” HRC4860-4500-5 HRC4862-4500-5

4.125”  

HRC4860-4125-5 HRC4862-4125-5   4.530” HRC4860-4530-5  

4.145”  

HRC4860-4145-5     4.560” HRC4860-4560-5  

4.155”    

HRC4860-4155-5 HRC4862-4155-5   4.600” HRC4860-4600-5 HRC4862-4600-5

4.165”  

HRC4860-4165-5 HRC4862-4165-5        

1/16”, 1/16”, 1/8” File Fit

Bore  

Std. Tension     Bore Std. Tension  

4.030”

HRC4870-4030-5     4.155” HRC4870-4155-5  

4.040”

HRC4870-4040-5          
 
       

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