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Diamond LS1 Street/Strip - Dish Pistons

• Lightweight Forging
• Forced Induction or Small nitrous applications. 2618 alloy
• Offset wrist pins for quiet operation
• Ratios figured for -.010"(positive) deck@9.240"
• Standard 1.5mm x 1.5mm x 3.0mm ring package
• Premium 8620 pins included
• Gasket volume = 11.8cc to 12.4cc
• Top ring down = .210" to .250"
• Valve relief depth = .165" intake and .107" exhaust

							Compression Ratio
Part #:	Stroke:	Rod:	C.D.:	Weight:	Pin:	CC's:	62CC:	66CC:	70CC:	Ring Set:	Bore:	Block Size:
11503	3.622	6.125	1.310	410	.927 x 2.500	-8.6CC	9.7	9.3	9.0	09063905	3.905	5.7 Liter LS1 Block
11504	4.000	6.125	1.125	445	.927 x 2.500	-7.0CC	10.7	10.4	10.0	09063905	4.000	5.7 Liter LS1 Block
11506*	4.000	6.125	1.125	475	.927 x 2.500	-7.0CC	11.7	11.2	10.8	09064100	4.100	Big Bore/Resleeved LS1 Block
11507*	4.000	6.125	1.125	480	.927 x 2.500	-7.0CC	11.8	11.3	10.8	N/A	4.110	Big Bore/Resleeved LS1 Block
11508*	4.000	6.125	1.125	485	.927 x 2.500	-7.0CC	11.8	11.3	10.9	09064120	4.120	Big Bore/Resleeved LS1 Block
11509*	4.000	6.125	1.125	489	.927 x 2.500	-7.0CC	11.9	11.4	10.9	09064130	4.130	Big Bore/Resleeved LS1 Block
11522*	4.000	6.125	1.125	478	.927 x 2.500	-7.0CC	11.9	11.4	10.9	09064125	4.125	Big Bore/Resleeved LS1 Block
11514	3.622	6.098	1.336	475	.945 x 2.500	-13.7CC	9.7	9.4	8.9	09064000	4.000	6.0 Liter LS1 Block
11515	3.622	6.098	1.336	483	.945 x 2.500	-15.0CC	9.7	9.4	8.9	09064030	4.030	6.0 Liter LS1 Block
11516	3.622	6.125	1.309	472	.927 x 2.500	-13.7CC	9.7	9.4	8.9	09064000	4.000	6.0 Liter LS1 Block
11517	3.622	6.125	1.309	478	.927 x 2.500	-15.0CC	9.7	9.4	8.9	09064030	4.060	6.0 Liter LS1 Block
11520*	4.000	6.125	1.125	453	.927 x 2.500	-15.0CC	10.3	9.9	9.6	09064000	4.000	6.0 Liter LS1 Block
11521*	4.000	6.125	1.125	463	.927 x 2.500	-15.0CC	10.5	10.0	9.8	09064030	4.030	6.0 Liter LS1 Block

*Includes Oil Ring Support Rails