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Diamond Pistons

Ford Small Block
Forced Induction - Dish Top
Piston

• Will fit MOST Windsor style heads.
• “Shifted” valve pockets will accommodate valve spacing of various Windsor heads.
• Designed for forced induction or small nitrous applications. 2618 alloy.
• Ratios fi gured for “0” deck height.
• Standard 1/16” x 1/16” x 3/16” ring package.
• Premium 8620 pins included.
• Gasket volume = 8.8 - 9.1cc’s.
• Top ring down dimension = .245” - .260”.
• Valve relief depth = .300” daimeter intake and .234” exhaust.
• Some items are non-stock parts, made to order as necessary. Check the shopping cart for availability.

302 Block - 8.190" Deck Height
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
58cc 62cc 66cc
9.0
9.0
9.1
9.1
9.4

8.6
8.6
8.7
8.7
9.0

8.2
8.3
8.3
8.4
8.6
31401
$689
4.030
4.035
4.040
4.060
4.125
3.000
5.090
1.600
518
519
523
-
-
.912
-10.0
31406*
$718
4.030
4.035
4.040
4.060
4.125
3.250
5.400
1.165
453
454
456
-
-
.927
-17.0
9.1
9.1
9.2
9.2
9.4

8.7
8.7
8.8
8.8
9.1

8.3
8.4
8.4
8.5
8.7
31411*
$718
4.030
4.035
4.040
4.060
4.125
3.400
5.400
1.090
433
435
437
-
-
.927
-21.0
9.1
9.1
9.1
9.2
9.4

8.7
8.8
8.8
8.9
9.1

8.4
8.4
8.5
8.5
8.7

 

351 Block : 9.470" Deck Height
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
58cc 62cc 66cc
9.1
9.1
9.1
9.2
9.4

8.7
8.8
8.8
8.9
9.1

8.4
8.4
8.5
8.5
8.7
31416
$689
4.030
4.035
4.040
4.060
4.125
3.500
5.956
1.764
560
562
564
-
-
.912
-24.0
31421
$689
4.030
4.035
4.040
4.060
4.125
3.850
6.200
1.345
478
480
483
-
-
.927
-32.0
9.1
9.1
9.1
9.2
9.4
8.8
8.8
8.8
8.9
9.1
8.5
8.5
8.5
8.6
8.8
31426
$689
4.030
4.035
4.040
4.060
4.125
4.000
6.200
1.270
445
446
448
-
-
.927
-36.0
9.0
9.1
9.1
9.1
9.4
8.7
8.8
8.8
8.8
9.1
8.5
8.5
8.5
8.6
8.8
31430
$689
4.030
4.040
4.000
6.200
1.270
460
-
.927
-23.0
10.2
9.8
9.5
31433
$689
4.030
4.035
4.040
4.060
4.000
6.200
1.295
-
.927
-36.0
9.0
9.1
9.1
9.1
8.7
8.8
8.8
8.8
8.5
8.5
8.5
8.6
31437
$689
4.040
4.060
4.000
6.200
1.295
-
.927
-23.0
10.2
9.8
9.5

 

351 Block : 9.470" Deck Height
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
58cc 62cc 66cc
9.1
9.1
9.2
9.4
9.6

8.8
8.8
8.9
9.1

9.2

8.5
8.5
8.6
8.8
9.0
31440*
$718
4.030
4.040
4.060
4.125
4.155
4.000
6.250
1.250
-
.927
-36.0

 

* Includes Oil ring support rails.

 
Call 1-877-354-3812
to order your Parts Today!

Contact us Via Email

About RPM Machine | Specials | Newsletter
RPM Machine-Performance Auto Parts
146 Ea 13065 So Suite F
Draper Utah 84020
We carry parts from scat, je, wiseco, ross, crower, callies, eagle, cat, eagle
Most of our rotating assemblies include forged pistons
and 4340 steelcranks


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