Diamond Pistons from RPM Machine

• Inboard style piston designed to clear most counterweights and reluctor wheels.
• Small nitrous applications. 2618 alloy.
• Offset wrist pins for quiet operation.
• Ratios figured for “0” deck @ 9.240”.
• Standard 1.5mm x 1.5mm x 3.0mm ring package.
• Premium H-13 wrist pins included.
• Gasket volume = 11.8cc.
• Top ring down = .250”.
• Valve relief depth = .165” intake and .107” exhaust.
• Items are non-stocking parts, Made to order as necessary.

5.7 Liter LS1 Block: 3.898" Standard Bore - Ring Set 09063905
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								62cc	66cc	70cc
								11.3	10.7	10.3
11570* $868	3.905	4.000	6.125	1.115	400	.927	-2.0				Discounted Prices

6.0 Liter LS1 Block: 4.000" Standard Bore
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								62cc	66cc	70cc
								11.8 11.9	11.2 11.4	10.7 10.9
11571* $868	4.000 4.030	4.000	6.125	1.115	434 440	.927	-2.0				Discounted Prices

Big Bore/Resleeved LS1 Block
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								62cc	66cc	70cc
								12.8	12.2	11.6
11573* $868	4.125	4.000	6.125	1.115	468	.927	-2.0				Discounted Prices

* Includes Oil ring support rails.