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Diamond Pistons

Chevy Big Block
Street / Strip - Flat Top
Piston

• Great choice for severe duty street/strip or marine use. 2618 alloy.
• Designed for open and closed chamber cylinder heads.
• Will work with small nitrous and forced induction applications.
• Ratios figured for .020” deck@9.800”.
• Standard 1/16” x 1/16” x 3/16” ring package.
• Premium 8620 pins included.
• Gasket volume = 9.7cc to 10.9cc.
• Top ring down = .295” to .320”.
• Designed for 2.300” diameter intake valve and 1.880” exhaust.
• Valve relief depth = .310” intake.
• Some items are non-stock parts, made to order as necessary. See the shopping cart for availability.

Big Block Chevy : 9.800" Deck Height
Part #
Bore
Stroke
Rod
C. D.
Wt
Pin
CC's
Comp Ratio
Purchase Online
112cc 118cc 124cc
7.8
7.9
7.9
8.0
7.5
7.6
7.6
7.7
7.2
7.3
7.3
7.4
12001
$660
4.280
4.310
4.320
4.350
3.766
6.135
1.765
627
648
655
665
.990
-3.0
12006
$660
4.280
4.310
4.320
4.350
4.500
4.530
4.560
4.600
4.000
6.135
1.645
609
630
635
652
653
668
677
691
.990
-3.0
8.2
8.3
8.3
8.4
8.8
8.9
9.0
9.2

7.9
8.0
8.0
8.1
8.5
8.6
8.7
8.8

7.6
7.7
7.7
7.8
8.2
8.3
8.4
8.5
12016
$660
4.280
4.310
4.320
4.350
4.500
4.530
4.560
4.600
4.250
6.135
1.520
584
600
610
622
627
643
659
668
.990
-3.0
8.6
8.8
8.8
8.9
9.3
9.4
9.6
9.7

8.3
8.4
8.4
8.5
9.0
9.1
9.2
9.3

8.0
8.1
8.1
8.2
8.6
8.7
8.8
9.0
12036
$660
4.280
4.310
4.320
4.350
4.500
4.530
4.560
4.600
4.000
6.385
1.395
553
572
581
589
596
612
617
633
.990
-3.0
8.2
8.3
8.3
8.4
8.8
8.9
9.0
9.2

7.9
8.0
8.0
8.1
8.5
8.6
8.7
8.8

7.6
7.7
7.7
7.8
8.2
8.3
8.4
8.5
12047*
$689
4.310
4.320
4.350
4.500
4.530
4.560
4.600
4.250
6.385
1.270
560
568
573
586
599
618
626
.990
-3.0
8.8
8.8
8.9
9.3
9.4
9.6
9.7

8.4
8.4
8.5
9.0
9.1
9.2
9.3

8.1
8.1
8.2
8.6
8.7
8.8
9.0
12062*
$689
4.310
4.320
4.350
4.500
4.530
4.560
4.600
4.000
6.535
1.245
556
568
572
578
595
602
620
.990
-3.0
8.3
8.3
8.4
8.8
8.9
9.0
9.2

8.0
8.0
8.1
8.5
8.6
8.7
8.8

7.7
7.7
7.8
8.2
8.3
8.4
8.5

* Includes Oil ring support rails.

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

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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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