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Diamond Pistons

Chevy Small Block
Brodix 12 - Dome Top
Piston

• Can be used in small nitrous applications. 2618 alloy.
• Ideal for drag race and circle track applications.
• Ratios figured for “0” deck@9.000”.
• Designed to fit Brodix -12 cylinder heads.
• Standard 1/16” x 1/16” x 3/16” ring package.
• Premium 8620 chamfered wrist pins for round wire type lock included.
• Gasket volume = 9.2cc.
• Top ring down = .190”.
• Valve relief depth = .260” intake and .200” exhaust.
• 15° Valve Angle.
•Items are non-stock parts, made to order as necessary.

400 Block : 4.125" Standard Bore
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
50cc 54cc 58cc
15.1
15.1
15.2
15.3
15.4
15.4
15.5
14.2
14.2
14.3
14.4
14.5
14.5
14.6
13.4
13.4
13.5
13.6
13.7
13.7
13.8
11850*
$742
4.125
4.130
4.135
4.145
4.155
4.160
4.165
3.750
6.000
1.125
475
477
478
480
481
482
483
.927
2.0
11860*
$742
4.125
4.130
4.135
4.145
4.155
4.160
4.165
3.800
6.000
1.100
470
472
475
478
479
480
481
.927
2.0
15.3
15.3
15.4
15.5
15.6
15.6
15.7

14.4
14.4
14.5
14.6
14.7
14.7
14.8

13.6
13.6
13.7
13.8
13.9
13.9
14.0
11870*
$742
4.125
4.130
4.135
4.145
4.155
4.160
4.165
3.875
6.000
1.062
460
462
463
464
464
468
469
.927
2.0
15.6
15.6
15.7
15.8
15.9
15.9
16.0

14.7
14.7
14.8
14.9
15.0
15.0
15.1

13.8
13.8
13.9
14.0
14.1
14.1
14.2
11880*
$742
4.125
4.130
4.135
4.145
4.155
4.160
4.165
4.000
6.000
1.000
451
452
455
456
459
459
460
.927
2.0
16.1
16.1
16.2
16.3
16.4
16.4
16.5

15.1
15.1
15.2
15.3
15.4
15.4
15.5

14.2
14.2
14.3
14.4
14.5
14.5
14.6

* 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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