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TRW Pistons - Pontiac
TRW Pontiac Pistons
Part #'s starting with "H" = Hypereutectic
Part #'s starting with "L" = Forged
Part #'s ending with "CP" = Coated Pistons
Click on Piston's Part #'s to view matching Piston Ring's
389 Engine (4.062 Bore x 3.750 Stroke)
Part # Notes CID
Comp Ratio cc's
Comp
Dist
Piston
Shape
Price/
Each
69 72 87 96 111 114
L2111F-30
L2111F-40
L2111F-60
L2269F
L2269F-30
L2269F-40
L2269F-60
59-69 eng.
59-69 eng.
59-69 eng.
1966 eng.
1966 eng.
1966 eng.
1966 eng.
395
396
400
389
395
396
400
10.48
10.52
10.61
10.34
10.48
10.52
10.61
10.15
10.20
10.28
10.03
10.15
10.20
10.28
8.82
8.86
8.94
8.71
8.82
8.86
8.94
8.20
8.23
8.30
8.10
8.20
8.23
8.30
7.35
7.38
7.44
7.26
7.35
7.38
7.44
7.20
7.23
7.29
7.12
7.20
7.23
7.29
1.717
1.717
1.717
1.717
1.717
1.717
1.717
FT
FT
FT
FT
FT
FT
FT
$51
$51
$51
$54
$54
$54
$54
400 Engine (4.120 Bore x 3.750 Stroke)
Part # Notes CID
Comp Ratio cc's
Comp
Dist
Piston
Shape
Price/
Each
69 72 87 96 111 114
L2440F
L2440F-30
L2262F
L2262F-20
L2262F-30
L2262F-40
L2262F-60
L2279F-30
L2279F-60
67-70 4bbl;ex. Ram Air
67-70 4bbl;ex. Ram Air
71-79 4bbl;67-70 2bbl
71-79 4bbl;67-70 2bbl
71-79 4bbl;67-70 2bbl
71-79 4bbl;67-70 2bbl
71-79 4bbl;67-70 2bbl
-
-
400
406
400
404
406
408
412
406
412
9.74
9.87
10.11
10.22
10.24
10.28
10.37 
12.39
12.37
9.47
9.59
9.82
9.92
9.94
9.98
10.07
11.94
11.93
8.34
8.44
8.59
8.68
8.70
8.74
8.81
10.14
10.15
7.79
7.88
8.01
8.09
8.11
8.14
8.21
9.31
9.34
7.04
7.12
7.21
7.28
7.30
7.33
7.39
8.23
8.26
6.91
6.99
7.07
7.14
7.16
7.19
7.25
8.05
8.08
1.714
1.714
1.714
1.714
1.714
1.714
1.714
1.715
1.715
FT
FT
FT
FT
FT
FT
FT
.225 dome
.190 dome
$51
$51
$54
$54
$54
$54
$54
$66
$66
455 Engine (4.151 Bore x 4.210 Stroke)
Part # Notes CID
Comp Ratio cc's
Comp
Dist
Piston
Shape
Price/
Each
69 72 87 96 111 114
L2359F
L2359F-30
L2359F-40
L2359F-60 

L2394NF-30
 
70-76 ex. Super Duty
70-76 ex. Super Duty
70-76 ex. Super Duty
70-76 ex. Super Duty
check clearance chamber;
machining may be req.
455
463
465
469
462
 
11.72
11.87
11.93
12.03
-
 
11.37
11.51
11.56
11.66
-
 
9.89
10.01
10.05
10.14
-
 
9.18
9.30
9.34
9.42
11.83
 
8.23
8.34
8.37
8.44
10.25
 
8.07
8.17
8.20
8.27
9.98
 
1.497
1.497
1.497
1.497
1.500
 
FT
FT
FT
FT 
.476 dome
 
$54
$54
$54
$54
$63
 
 
 
 
 
 
 
 
 

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