Piston Top Aprox. Comp. Ratio:
-10cc  Dish Top LT Direct Injection
| Chamber | Comp Ratio | 
|---|
| 59 | 11.99 to 1 | 
| 66 | 11.08 to 1 | 
| 70 | 10.63 to 1 | 
For accurate Comp Ratio info use the calculator below.
 
Engine Brand: Chevy
Engine Family: Gen 5 LT Direct Injection
Engine Size: LT1 6.2 Stroker
Cylinder Bore Size: 4.070 in ,  103.297 mm
Ring Groove Width: 1.2/1.2/3MM
Compression Height: 1.115"
Pin Diameter: 0.927"
Connecting Rod Length: 6.125"
Crankshaft Stroke: 4.000"
Cylinder Head: LT Direct Injection
TDC Assembly Height: 9.240" ( Zero Deck Height )
Download Piston Instructions
          
               
       
            
      
      
      
      
        
          
          
 
| Features: | 
Piston Series | 
 
 
|   | 
 E series 
 | 
 SX series | 
 1-FX series | 
 2-FX series | 
 3-FX series | 
 
| Broached pin oiling slots | 
x
 | 
x
 | 
 
 | 
 
 | 
 
 | 
 
| Drilled, forced wrist pin oiling | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Forged drain-back windows | 
x
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
| Drilled bottom ring land intersecting oil groove drain-backs | 
 
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| Slightly larger, deeper valve reliefs than OEM | 
x
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
| CNC machined valve reliefs for moderate performance heads and cam combinations | 
 
 | 
x
 | 
 | 
 | 
 | 
 
| Larger, deeper CNC valve reliefs for more aggressive cylinder head and cam combinations | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Premium Aircraft spec. 4032 low expansion alloy | 
x
 | 
x
 | 
x
 | 
 
 | 
 
 | 
 
| Premium Aircraft spec. 2618 alloy | 
 
 | 
 
 | 
 
 | 
x
 | 
x
 | 
 
| Blower, Turbo, NOS ready | 
 
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| Brushed piston crown | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Additional CNC milling for weight reduction in non-critical areas | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Patented “X Groove” skirt for superior cylinder and ring life | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Thinner/shallower Ring grooves for maximum ring seal and land strength | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Low volume contact reduction grooves | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| 2nd ring land accumulator groove prevents ring flutter | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| 3rd ring land scraper relief | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Oil ring groove relief reservoir | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Inner and outer pin boss weight reduction radiusing | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Tighter control of crown thickness yields consistently lighter parts | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Dynamic skirt milling controls skirt thickness for consistently lighter parts | 
  | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Diamond-turned high strength skirts | 
x
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| High-strength piston pins | 
x
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| Extreme Duty XR wrist pins | 
  | 
  | 
  | 
 
 | 
x
 | 
 
| Horizontal Gas Ports enhance ring seal | 
  | 
  | 
  | 
  | 
x
 | 
 
| Forged and machined in the USA | 
x
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
 
 | 
          
               
       
            
      
      
      
     
     
     
   
  
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
     
    
      
        
        Piston Specs
        
      
      
          
          Piston Top Aprox. Comp. Ratio:
-10cc  Dish Top LT Direct Injection
| Chamber | Comp Ratio | 
|---|
| 59 | 11.99 to 1 | 
| 66 | 11.08 to 1 | 
| 70 | 10.63 to 1 | 
For accurate Comp Ratio info use the calculator below.
 
Engine Brand: Chevy
Engine Family: Gen 5 LT Direct Injection
Engine Size: LT1 6.2 Stroker
Cylinder Bore Size: 4.070 in ,  103.297 mm
Ring Groove Width: 1.2/1.2/3MM
Compression Height: 1.115"
Pin Diameter: 0.927"
Connecting Rod Length: 6.125"
Crankshaft Stroke: 4.000"
Cylinder Head: LT Direct Injection
TDC Assembly Height: 9.240" ( Zero Deck Height )
Download Piston Instructions
          
         
       
       
     
    
    
    
     
    
      
        
        Piston Series Comparison Chart
        
      
      
          
          
 
| Features: | 
Piston Series | 
 
 
|   | 
 E series 
 | 
 SX series | 
 1-FX series | 
 2-FX series | 
 3-FX series | 
 
| Broached pin oiling slots | 
x
 | 
x
 | 
 
 | 
 
 | 
 
 | 
 
| Drilled, forced wrist pin oiling | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Forged drain-back windows | 
x
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
| Drilled bottom ring land intersecting oil groove drain-backs | 
 
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| Slightly larger, deeper valve reliefs than OEM | 
x
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
| CNC machined valve reliefs for moderate performance heads and cam combinations | 
 
 | 
x
 | 
 | 
 | 
 | 
 
| Larger, deeper CNC valve reliefs for more aggressive cylinder head and cam combinations | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Premium Aircraft spec. 4032 low expansion alloy | 
x
 | 
x
 | 
x
 | 
 
 | 
 
 | 
 
| Premium Aircraft spec. 2618 alloy | 
 
 | 
 
 | 
 
 | 
x
 | 
x
 | 
 
| Blower, Turbo, NOS ready | 
 
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| Brushed piston crown | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Additional CNC milling for weight reduction in non-critical areas | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Patented “X Groove” skirt for superior cylinder and ring life | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Thinner/shallower Ring grooves for maximum ring seal and land strength | 
 
 | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Low volume contact reduction grooves | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| 2nd ring land accumulator groove prevents ring flutter | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| 3rd ring land scraper relief | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Oil ring groove relief reservoir | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Inner and outer pin boss weight reduction radiusing | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Tighter control of crown thickness yields consistently lighter parts | 
  | 
  | 
x
 | 
x
 | 
x
 | 
 
| Dynamic skirt milling controls skirt thickness for consistently lighter parts | 
  | 
 
 | 
x
 | 
x
 | 
x
 | 
 
| Diamond-turned high strength skirts | 
x
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| High-strength piston pins | 
x
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
| Extreme Duty XR wrist pins | 
  | 
  | 
  | 
 
 | 
x
 | 
 
| Horizontal Gas Ports enhance ring seal | 
  | 
  | 
  | 
  | 
x
 | 
 
| Forged and machined in the USA | 
x
 | 
x
 | 
x
 | 
x
 | 
x
 | 
 
 
 | 
          
         
       
       
     
    
        
   
  
  
  
  
  
    
  
 
  
    
  
     
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