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Diamond Pistons

Small Block Mopar
Street / Strip Dish Top
Piston

• Designed to fit most Mopar OEM open and closed chamber heads.
• Will work with aftermarket Edelbrock & Indy heads.
• Can be used with forced induction or small nitrous kits. 4032 alloy.
• Ratios figured for .018” deck@ 9.600”.
• Standard 1/16” x 1/16” x 3/16” ring package.
• Premium 8620 wrist pins included.
• Gasket volume = 8.9cc’s.
• Top ring down = .310”.
• Max valve diameters=2.070” intake & 1.625” exhaust.
• Valve relief depth = .292” intake & .224” exhaust.
• Some items are non-stock parts, made to order as necessary. Check the shopping cart for availability.

Small Block Mopar 318 & 5.2 Magnum
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
60cc 65cc 70cc
10.9

10.3

9.8
50010
$723
3.940
4.000
6.125
1.457
480
.984
-6.8

 

Small Block Mopar 340
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
60cc 65cc 70cc
10.0

9.5

9.1
51409
$723
4.070
4.000
6.125
1.457
525
.984
-21.5
51410
$723
4070
4.000
6.125
1.457
528
.927
-21.5

10.0

9.5

9.1
51411
$723
4.070
4.000
6.125
1.457
516
.984
-9.3

11.2

10.6

10.1
51412
$723
4.080
4.100
4.000
6.123
1.457
528
540
.984
-21.5

10.0
10.1

9.5
9.6

9.1
9.2
51413
$723
4.080
4.000
6.123
1.457
532
.927
-21.5

10.0

9.5

9.1

 

Small Block Mopar 360 & 5.9 Magnum
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
60cc 65cc 70cc
9.9

9.4

8.9
51400
$723
4.005
3.580
6.125
1.667
532
.984
-9.0
51420
$723
4.020
3.580
6.123
1.667
540
.984
-9.0
10.2

9.6

9.2
51401
$723
4.005
4.000
6.125
1.457
498
.984
-19.0
9.9

9.4

9.0
51402
$723
4.005
4.000
6.125
1.457
500
.927
-19.0
9.9

9.4

9.0
51403
$723
4.020
4.040
4.000
6.123
1.457
497
505
.984
-20.0
10.0
10.0

9.5
9.5

9.1
9.1
51404
$723
4.020
4.000
6.123
1.457
505
.927
-20.0
10.0

9.5

9.1
51405
$723
4.030
4.000
6.125
1.457
502
.984
-20.0
10.0

9.5

9.1
51406
$723
4.030
4.000
6.125
1.457
510
.927
-20.0
10.0

9.5

9.1
51408
$723
4.060
4.000
6.125
1.457
515
.984
-21.5
10.1

9.6

9.2

 

* 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
8060 so 1300 W
West Jordan Utah 84088
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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