What is the difference between R520 nozzles and PP520's?

HYEPWR

Member
Joined
Mar 10, 2009
Location
Tdot
TDI
2001 JETTA TDi
Size of the nozzles....bigger size=more fuel=more power

PP520(or Power Plus) are 214.6um
R520 (or Race) are about 260um

stock are about 184....
 
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