Sierra 4.5                     

                    Twinturbo                                              

Engine update 2013


Engine
                     



 


1:76 Roller rocker





 

Heads ported and bigger valves

Block is bore and hone torque plate 

 

 



Navaline headgasket



 

KB Forged dish pistons




 

Eagle H-profil rods

 

 

 

 

  

 

 

Double roller timing chain set


 

 

 

 

 

Better groove



 New on the stocks

Steel mainhead plane



 

 


Baffles and sump

 

 

 

PÄÄSIVU                                         

 

 

RollerRocks pages open

Block

Navaline

Forged pistons

Eagle 6"

 

Mainline plate

 

 

 

sump

 


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