L28 N42 Block with N42 head or P79 head.  

 

Engine Block:
N42
 
 
Crankshaft:
 
L28
 
 
Connecting Rod:
L28
 
 
 
 
 
 
 
Piston
Head Gasket
Head
Compression
Dished
OEM
N42
8.29
 
Dished
Felpro
N42
8.47
 
Flat
OEM
N42
9.82
 
Flat
Felpro
N42
10.08
 
Dished
OEM
P79
7.38
 
Dished
Felpro
P79
7.52
 
Flat
OEM
P79
8.52
 
Flat
Felpro
P79
8.71
 
 
 
 
 
 

 

Courtesy of Mr. G