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Home
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ENGINE REBUILD KITS
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PISTON AND ROD KITS
>
302 Ford LONG ROD Piston and Rod Kit with 4340 H beam rods
Our Price:
$1,399.95
Product Code:
PNR50LRX
Choose your cylinder bore size
Bore size
*
:
+.030" oversize bore
+.040" oversize bore
+.060" oversize bore
+.125" oversize bore
standard bore
Small Block Ford Piston Choices
Small Block Ford Piston Choices
*
:
Have D.S.S. contact me and consult on Compression ratio options.
D.S.S. Racing will contact you by phone or E mail and consult with you about compression ratio for your exact combination. This service is offered free of charge to assure the success of your engine build.
Flat Top inline -3cc pistons, for use with most stock and aftermarket heads (not Twisted Wedge).
Most commonly used in naturally aspirated (non boosted) and Nitrous applications.
Flat Top Twisted Wedge -3cc pistons, for use with Trick Flow Twisted Wedge & R series heads. [Add $50.00]
Most commonly used in naturally aspirated (non boosted) and Nitrous applications.
Max Quench -13cc dish, Inline & Twisted Wedge For use with most cylinder heads. [Add $50.00]
Most commonly used in Lower compression boosted applications, I.E. Blower or Turbo.
Dome + 6cc, Inline For use with most stock and aftermarket heads (not Twisted Wedge). [Add $200.00]
Most commonly used in higher compression, High octane Race engines.
Dome +6cc, For use with Twisted Wedge & R series heads. [Add $200.00]
Most commonly used in higher compression, High octane Race engines.
Flat Top -3cc pistons, for use with Cleveland/Boss style cylinder heads [Add $100.00]
Most commonly used in naturally aspirated (non boosted) and Nitrous applications.
Max Quench -13cc dish, for use with Cleveland/Boss cylinder heads [Add $150.00]
Most commonly used in Lower compression boosted applications, I.E. Blower or Turbo.
Max Quench -18cc dish, for use with Cleveland/Boss cylinder heads. [Add $150.00]
Max Quench -22cc dish, for use with Cleveland/Boss cylinder heads. [Add $150.00]
Dome +7.5cc pistons, for use with open chamber Cleveland/Boss style cylinder heads [Add $200.00]
Open chamber cylinder heads only!
Custom dish volume. [Add $180.00]
This piston offers a custom made Max Quench dish volume.
Bearing size
Main bearing undersize
*
:
.010"/.25mm
.020"/.50mm
standard
Piston Skirt Options
High Precision Diamond turned piston skirts.
Piston Coating Option [Add $550.00]2 step process features a Ceramic Thermal barrier coating applied to the top and low friction coated skirt.
Rod bearing undersize
*
:
.010"/.25mm
.020"/.50mm
standard
Qty:
Description
Technical Specs
Compression Ratio Chart
302 Ford
piston and rod kit with
DSS GSX Forged pistons with X groove skirts
and CNC fly cut valve reliefs and 5.4 long
4340 H beam
rods. with ARP rod bolts Also included are Ductile Iron, Moly rings and tri-metal rod and main bearings.
PISTONS: D.S.S. GSX Series Forged with X groove skirts
RODS: D.S.S. Racing 4340 Forged H beams
ROD BOLTS: ARP 7/16 Cap Screws
RINGS: Moly
ROD BEARINGS: Clevite TM-77 Tri-Metal
MAIN BEARINGS: Clevite TM-77 Tri-Metal
4.6 / 5.0 Stroker / 5.3 Stroker Big Bore / 5.4 MODULAR FORD COMPRESSION CHART
Common Ford Modular cylinder head combustion chamber sizes
Caution:This is only a guide. You should always confirm your actual combustion chamber volume
.
2 valve PI 44 cc ( OEM 1999 and newer)
2 valve NPI 51 cc (OEM 1992 to 1998 )
2 valve PI D.S.S. match port 44 cc (1999 and newer)
2 valve PI D.S.S. Full CNC Port 50cc (1999 and newer)
3 valve Ford Racing CNC ported 50 cc
4 valve Ford Racing CNC ported 52 cc
Combustion chamber Volume (in CC's)
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
4.6
Dish -3cc (2V)
12.49
12.26
12.05
11.84
11.64
11.44
11.26
11.08
10.90
10.74
10.58
10.42
10.27
10.12
9.98
9.84
9.71
Dish-4cc (4V)
12.26
12.05
11.84
11.64
11.44
11.26
11.08
10.90
10.74
10.58
10.42
10.27
10.12
9.98
9.84
9.71
9.58
Dish -5cc (3V)
12.05
11.84
11.64
11.44
11.26
11.08
10.90
10.74
10.58
10.42
10.27
10.12
9.98
9.84
9.71
9.58
9.45
Dish -10cc
11.08
10.90
10.74
10.58
10.42
10.27
10.12
9.98
9.84
9.71
9.58
9.45
9.33
9.21
9.09
8.98
8.87
Dish -12cc (4V)
10.74
10.58
10.42
10.27
10.12
9.98
9.84
9.71
9.58
9.45
9.33
9.21
9.09
8.98
8.87
8.77
8.66
Dish -13cc (3V)
10.58
10.42
10.27
10.12
9.98
9.84
9.71
9.58
9.45
9.33
9.21
9.09
8.98
8.87
8.77
8.66
8.56
Dish -18cc
9.84
9.71
9.58
9.45
9.33
9.21
9.09
8.98
8.87
8.77
8.66
8.56
8.46
8.37
8.27
8.18
8.10
Dish -21cc (4V)
9.45
9.33
9.21
9.09
8.98
8.87
8.77
8.66
8.56
8.46
8.37
8.27
8.18
8.10
8.01
7.92
7.84
Dish -22cc (3V)
9.33
9.21
9.09
8.98
8.87
8.77
8.66
8.56
8.46
8.37
8.27
8.18
8.10
8.01
7.92
7.84
7.76
5.0
Dish -6cc (2V)
12.47
12.26
12.05
11.86
11.67
11.48
11.31
11.13
10.97
10.81
10.65
10.50
10.36
10.21
10.08
9.94
9.81
Dish-7cc (4V)
12.26
12.05
11.86
11.67
11.48
11.31
11.13
10.97
10.81
10.65
10.50
10.36
10.21
10.08
9.94
9.81
9.69
Dish -8cc (3V)
12.05
11.86
11.67
11.48
11.31
11.13
10.97
10.81
10.65
10.50
10.36
10.21
10.08
9.94
9.81
9.69
9.57
Dish -13cc
11.13
10.97
10.81
10.65
10.50
10.36
10.21
10.08
9.94
9.81
9.69
9.57
9.45
9.33
9.22
9.11
9.00
Dish -15cc (4V)
10.81
10.65
10.50
10.36
10.21
10.08
9.94
9.81
9.69
9.57
9.45
9.33
9.22
9.11
9.00
8.90
8.80
Dish -16cc (3V)
10.65
10.50
10.36
10.21
10.08
9.94
9.81
9.69
9.57
9.45
9.33
9.22
9.11
9.00
8.90
8.80
8.70
Dish -21cc
9.94
9.81
9.69
9.57
9.45
9.33
9.22
9.11
9.00
8.90
8.80
8.70
8.60
8.51
8.42
8.33
8.24
Dish -24cc (4V)
9.57
9.45
9.33
9.22
9.11
9.00
8.90
8.80
8.70
8.60
8.51
8.42
8.33
8.24
8.16
8.07
7.99
Dish -25cc (3V)
9.45
9.33
9.22
9.11
9.00
8.90
8.80
8.70
8.60
8.51
8.42
8.33
8.24
8.16
8.07
7.99
7.91
5.3
Dish -6cc (2V)
13.40
13.17
12.95
12.74
12.53
12.34
12.15
11.96
11.78
11.61
11.44
11.28
11.12
10.97
10.82
10.68
10.54
Dish-7cc (4V)
13.17
12.95
12.74
12.53
12.34
12.15
11.96
11.78
11.61
11.44
11.28
11.12
10.97
10.82
10.68
10.54
10.40
Dish -8cc (3V)
12.95
12.74
12.53
12.34
12.15
11.96
11.78
11.61
11.44
11.28
11.12
10.97
10.82
10.68
10.54
10.40
10.27
Dish -13cc
11.96
11.78
11.61
11.44
11.28
11.12
10.97
10.82
10.68
10.54
10.40
10.27
10.14
10.02
9.90
9.78
9.66
Dish -15cc (4V)
11.61
11.44
11.28
11.12
10.97
10.82
10.68
10.54
10.40
10.27
10.14
10.02
9.90
9.78
9.66
9.55
9.44
Dish -16cc (3V)
11.44
11.28
11.12
10.97
10.82
10.68
10.54
10.40
10.27
10.14
10.02
9.90
9.78
9.66
9.55
9.44
9.33
Dish -21cc
10.68
10.54
10.40
10.27
10.14
10.02
9.90
9.78
9.66
9.55
9.44
9.33
9.23
9.13
9.03
8.93
8.84
Dish -24cc (4V)
10.27
10.14
10.02
9.90
9.78
9.66
9.55
9.44
9.33
9.23
9.13
9.03
8.93
8.84
8.75
8.66
8.57
Dish -25cc (3V)
10.14
10.02
9.90
9.78
9.66
9.55
9.44
9.33
9.23
9.13
9.03
8.93
8.84
8.75
8.66
8.57
8.48
5.4
Dish -3cc (2V)
10.74
10.61
10.47
10.34
10.21
10.09
9.97
9.85
9.74
9.63
9.52
9.41
9.31
9.21
9.11
9.01
8.92
Dish-4cc (4V)
10.61
10.47
10.34
10.21
10.09
9.97
9.85
9.74
9.63
9.52
9.41
9.31
9.21
9.11
9.01
8.92
8.83
Dish -5cc (3V)
10.47
10.34
10.21
10.09
9.97
9.85
9.74
9.63
9.52
9.41
9.31
9.21
9.11
9.01
8.92
8.83
8.74
Dish -10cc
9.85
9.74
9.63
9.52
9.41
9.31
9.21
9.11
9.01
8.92
8.83
8.74
8.65
8.56
8.48
8.40
8.32
Dish -12cc (4V)
9.63
9.52
9.41
9.31
9.21
9.11
9.01
8.92
8.83
8.74
8.65
8.56
8.48
8.40
8.32
8.24
8.16
Dish -13cc (4V)
9.52
9.41
9.31
9.21
9.11
9.01
8.92
8.83
8.74
8.65
8.56
8.48
8.40
8.32
8.24
8.16
8.09
Dish -18cc
9.01
8.92
8.83
8.74
8.65
8.56
8.48
8.40
8.32
8.24
8.16
8.09
8.02
7.94
7.87
7.80
7.74
Dish -21cc (4V)
8.74
8.65
8.56
8.48
8.40
8.32
8.24
8.16
8.09
8.02
7.94
7.87
7.80
7.74
7.67
7.60
7.54
Dish -22cc (3V)
8.65
8.56
8.48
8.40
8.32
8.24
8.16
8.09
8.02
7.94
7.87
7.80
7.74
7.67
7.60
7.54
7.48
Mo
SMALL BLOCK FORD COMPRESSION RATIO CHART
Common Ford aftermarket cylinder head combustion chamber sizes
Caution:This is only a guide. You should always confirm your actual combustion chamber volume
.
AFR 58cc /61 cc /68 cc
Dart 58cc / 64 cc
Edelbrock 60 cc / 70cc
Ford Racing 58 cc 64 cc
Trick flow Twisted Wedge, Track heat and R series 61cc / 65cc CNC ported
Trick Flow High Ports 64 cc
World Products 58 cc /64 cc
Combustion chamber Volume (in CC's)
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
306
Flat Top -3cc
11.51
11.34
11.17
11.01
10.85
10.70
10.55
10.41
10.27
10.13
10.00
9.88
9.75
9.63
9.51
9.40
9.29
9.18
9.08
8.97
8.87
8.78
8.68
Dish -13cc
10.00
9.88
9.75
9.63
9.51
9.40
9.29
9.18
9.08
8.97
8.87
8.78
8.68
8.59
8.50
8.41
8.32
8.24
8.15
8.07
7.99
7.92
7.84
Dome +6cc
13.38
13.14
12.91
12.69
12.47
12.27
12.07
11.88
11.69
11.51
11.34
11.17
11.01
10.85
10.70
10.55
10.41
10.27
10.13
10.00
9.88
9.75
9.63
331
Flat Top -3cc
12.39
12.20
12.02
11.84
11.67
11.51
11.35
11.19
11.04
10.90
10.75
10.62
10.48
10.35
10.22
10.10
9.98
9.86
9.75
9.64
9.53
9.42
9.32
Dish -13cc
10.75
10.62
40.48
10.35
10.22
10.10
9.98
9.86
9.75
9.64
9.53
9.42
9.32
9.22
9.12
9.03
8.93
8.84
8.75
8.66
8.58
8.49
8.41
Dish -18cc
10.10
9.98
9.86
9.75
9.64
9.53
9.42
9.32
9.22
9.12
9.03
8.93
8.84
8.75
8.66
8.58
8.49
8.41
8.33
8.25
8.17
8.10
8.03
Dome +6cc
14.41
14.15
13.90
13.66
13.43
13.21
12.99
12.78
12.58
12.37
12.20
12.02
11.84
11.67
11.51
11.35
11.19
11.04
10.90
10.75
10.62
10.48
10.35
347
Flat Top -3cc
12.91
12.72
12.53
12.34
12.17
11.99
11.83
11.66
11.51
11.35
11.20
11.06
10.92
10.78
10.65
10.52
10.39
10.27
10.15
10.04
9.92
9.81
9.70
Dish -18cc
10.52
10.39
10.27
10.15
10.04
9.92
9.81
9.70
9.60
9.50
9.40
9.30
9.20
9.11
9.02
8.93
8.84
8.75
8.67
8.59
8.51
8.43
8.35
Dome +6cc
15.03
14.76
14.50
14.25
14.00
13.77
13.55
13.33
13.12
12.91
12.72
12.53
12.34
12.17
11.99
11.83
11.66
11.51
11.35
11.20
11.06
10.92
10.78
357
Flat Top -3cc
13.26
13.06
12.87
12.68
12.49
12.32
12.14
11.98
11.81
11.66
11.50
11.36
11.21
11.07
10.93
10.80
10.67
10.54
10.42
10.30
10.19
10.07
9.96
Dish -18cc
10.80
10.67
10.54
10.42
10.30
10.19
10.07
9.96
9.85
9.75
9.64
9.54
9.44
9.35
9.25
9.16
9.07
8.98
8.90
8.81
8.73
8.65
8.57
363
Flat Top -3cc
13.43
13.23
13.03
12.84
12.66
12.48
12.30
12.13
11.97
11.81
11.65
11.50
11.36
11.22
11.08
10.94
10.81
10.68
10.56
10.44
10.32
10.21
10.09
Dish -22cc
10.44
10.32
10.21
10.09
9.98
9.88
9.77
9.67
9.57
9.47
9.38
9.28
9.19
9.19
9.02
8.93
8.85
8.77
8.69
8.61
8.53
8.45
8.38
393
Flat Top -3cc
14.49
14.27
14.05
13.85
13.64
13.45
13.26
13.07
12.90
12.72
12.55
12.39
12.23
12.08
11.93
11.78
11.64
11.50
11.36
11.23
11.10
10.98
10.86
Dish -13cc
12.55
12.39
12.23
12.08
11.93
11.78
11.64
11.36
11.13
11.23
11.10
10.98
10.86
10.74
10.62
10.51
10.40
10.29
10.18
10.08
9.98
9.88
9.78
Dish -31cc
10.18
10.08
9.98
9.88
9.78
9.69
9.59
9.50
9.41
9.33
9.24
9.16
9.08
9.00
8.92
8.84
8.76
8.69
8.62
8.55
8.48
8.41
8.34
408
Flat Top -3cc
15.02
14.79
14.56
14.35
14.14
13.93
13.74
13.54
13.36
13.18
13.00
12.83
12.67
12.51
12.35
12.20
12.05
11.91
11.77
11.63
11.50
11.37
11.24
Dish -18cc
12.20
12.05
11.91
11.77
11.63
11.50
11.37
11.25
11.12
11.00
10.88
10.76
10.65
10.54
10.43
10.33
10.22
10.12
10.02
9.93
9.83
9.74
9.65
Dish -31cc
10.54
10.43
10.33
10.22
10.12
10.02
9.93
9.83
9.74
9.65
9.56
9.48
9.39
9.31
9.23
9.15
9.07
8.99
8.91
8.84
8.77
8.70
8.63
427
Flat Top -3cc
15.61
15.37
15.14
14.91
14.69
14.48
14.28
14.08
13.88
13.70
13.51
13.34
13.17
13.00
12.84
12.68
12.52
12.37
12.23
12.08
11.94
11.81
11.68
Dish -22cc
12.10
11.97
11.83
11.70
11.57
11.44
11.32
11.20
11.08
10.97
10.86
10.75
10.64
10.53
10.43
10.33
10.23
10.14
10.04
9.95
9.86
9.77
9.68
Dish -31cc
10.97
10.86
10.75
10.64
10.53
10.43
10.33
10.23
10.14
10.04
9.95
9.86
9.77
9.68
9.60
9.51
9.43
9.35
9.27
9.20
9.12
9.05
8.97
SBF engine compression figured with 4.030 cylinder bore, 4.100" gasket bore, .040" gasket thickness, zero deck, 363 and 427 with 4.125" cylinder, 4.155" gasket
Small Block Chevy Piston Compression Ratio Chart
Combustion chamber Volume (in CC's)
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
350
Flat Top -5cc
11.75
11.60
11.44
11.30
11.15
11.01
10.88
10.74
10.62
10.49
10.37
10.25
10.13
10.02
9.91
9.80
9.70
9.59
9.49
9.39
9.30
9.21
9.11
Dish -21cc
9.70
9.59
9.49
9.39
9.30
9.21
9.11
9.02
8.94
8.85
8.77
8.69
8.61
8.53
8.45
8.37
8.30
8.23
8.16
8.09
8.02
7.95
7.89
Dome +4cc
13.40
13.19
12.99
12.80
12.61
12.43
12.25
12.08
11.91
11.75
11.60
11.44
11.30
11.15
11.01
10.88
10.74
10.62
10.49
10.37
10.25
10.13
10.02
377
Flat Top -5cc
12.27
12.10
11.94
11.79
11.64
11.49
11.35
11.21
11.07
10.94
10.81
10.69
10.57
10.45
10.33
10.22
10.11
10.00
9.90
9.80
9.70
9.60
9.50
Dish -16cc
10.69
10.57
10.45
10.33
10.22
10.11
10.00
9.90
9.80
9.70
9.60
9.50
9.41
9.32
9.23
9.14
9.05
8.97
8.89
8.80
8.73
8.65
8.57
Dish -21cc
10.11
10.00
9.90
9.80
9.70
9.60
9.50
9.41
9.32
9.23
9.14
9.05
8.97
8.89
8.80
8.73
8.65
8.57
8.50
8.42
8.35
8.28
8.21
Dish -28cc
9.41
9.32
9.23
9.14
9.05
8.97
8.89
8.80
8.73
8.65
8.57
8.50
8.42
8.35
8.28
8.21
8.15
8.08
8.01
7.95
7.89
7.83
7.77
383
Flat Top -5cc
12.59
12.42
12.25
12.09
11.94
11.79
11.64
11.50
11.36
11.23
11.09
10.97
10.84
10.72
10.60
10.48
10.37
10.26
10.15
10.05
9.94
9.84
9.74
Dish -16cc
10.97
10.84
10.72
10.60
10.48
10.37
10.26
10.15
10.05
9.94
9.84
9.74
9.65
9.55
9.46
9.37
9.28
9.20
9.11
9.03
8.95
8.87
8.79
Dish -21cc
10.37
10.26
10.15
10.05
9.94
9.84
9.74
9.65
9.55
9.46
9.37
9.28
9.20
9.11
9.03
8.95
8.87
8.79
8.71
8.64
8.56
8.49
8.42
Dish -28cc
9.65
9.55
9.46
9.37
9.28
9.20
9.11
9.03
8.95
8.87
8.79
8.71
8.64
8.56
8.49
8.42
8.35
8.28
8.21
8.15
8.08
8.02
7.96
Dome +4cc
14.36
14.14
13.92
13.71
13.51
13.32
13.12
12.94
12.76
12.59
12.42
12.25
12.09
11.94
11.79
11.64
11.50
11.36
11.23
11.09
10.97
10.84
10.72
400
Flat Top -5cc
13.14
12.96
12.79
12.62
12.46
12.30
12.15
12.00
11.86
11.71
11.58
11.44
11.31
11.18
11.06
10.94
10.82
10.70
10.59
10.48
10.37
10.26
10.16
Dish -16cc
11.44
11.31
11.18
11.06
10.94
10.82
10.70
10.59
10.48
10.37
10.26
10.16
10.06
9.96
9.86
9.77
9.68
9.59
9.50
9.41
9.32
9.24
9.16
Dish -21cc
10.82
10.70
10.59
10.48
10.37
10.26
10.16
10.06
9.96
9.86
9.77
9.68
9.59
9.50
9.41
9.32
9.24
9.16
9.08
9.00
8.92
8.85
8.77
Dish -28cc
10.06
9.96
9.86
9.77
9.68
9.59
9.50
9.41
9.32
9.24
9.16
9.08
9.00
8.92
8.85
8.77
8.70
8.63
8.56
8.49
8.42
8.36
8.29
SBC engine compression figured with 4.030 cylinder bore, 4.100" gasket bore, .040" gasket thickness, zero deck, 377 and 400 with 4.125" cylinder, 4.155" gasket
dular engine compression figured with 3.552 cylinder bore, 3.63" gasket bore, .030" gasket thickness, zero deck on 4.6 and 5.0, .119 below deck on a 5.4
