DIAMOND PISTONS: Big Block Chevy Competition Series 20° Dome Series

Call for Details or Custom Sizes!

• Includes Wrist Pins and Locks
• Optional Tool Steel Pin upgrade - call for pricing
• Optional Ring Sets - call for pricing

Notes: Forced pin oilers from the oil ring; Pin Fitted; Vertical Gas Ports; Moly Coated Skirts; 3D Dome & Pockets; Inboard Forging; H-13 Pins, Support Rail's & Locks included;

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Part	Bore	Stroke	Rod	C.D.	Weight	Pin	CC's	Rings
21000	4.600	4.375	6.385	1.215	655	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21001	4.605	4.375	6.385	1.215	657	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21002	4.610	4.375	6.385	1.215	658	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21003	4.625	4.375	6.385	1.215	663	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21004	4.600	4.375	6.535	1.065	618	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21005	4.605	4.375	6.535	1.065	620	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21006	4.610	4.375	6.535	1.065	622	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21007	4.625	4.375	6.535	1.065	629	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21008	4.600	4.500	6.385	1.155	643	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21009	4.605	4.500	6.385	1.155	644	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21010	4.610	4.500	6.385	1.155	647	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21011	4.625	4.500	6.385	1.155	652	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21012-R1	4.600	4.750	6.700	1.120	call	.990 x 2.750	23.0cc	.043 x .043 x 3.0mm
21013-R1	4.605	4.750	6.700	1.120	call	.990 x 2.750	23.0cc	.043 x .043 x 3.0mm
21014-R1	4.610	4.750	6.700	1.120	call	.990 x 2.750	23.0cc	.043 x .043 x 3.0mm
21015-R1	4.625	4.750	6.700	1.120	call	.990 x 2.750	23.0cc	.043 x .043 x 3.0mm
21016	4.600	4.250	6.385	1.270	662	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21017	4.605	4.250	6.385	1.270	669	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21018	4.610	4.250	6.385	1.270	670	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm
21019	4.625	4.250	6.385	1.270	676	.990 x 2.750	27.94cc	.043 x .043 x 3.0mm