Diamond Pistons from RPM Machine

• Forged factory replacement style piston. 2618 alloy.
• Offset wrist pins for quiet operation.
• Minimum .220” underhead thickness.
• Designed for forced induction & nitrous applications.
• .300” down top ring.
• Premium 4130 pins included.
• Ratios figured for .012” deck@8.937”.

1999 - Current 2 Valve Flat Top
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								45cc	51cc	55cc
								11.7 11.8	1.6 10.7	N/A
30003 $689	3.552 3.572	3.543	5.933	1.230	351 360	.866	-1.8				Discounted Prices

1996 - Current 4 Valve Flat Top
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								45cc	51cc	55cc
								N/A	N/A	10.0 10.1
30012 $689	3.552 3.572	3.543	5.933	1.230	350 360	.866	-2.0				Discounted Prices

Big Bore Mod Motor 2 Valve Specific
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								45cc	51cc	55cc
								12.2	11.1	N/A
30024 $689	3.700	3.543	5.933	1.220	367	.866	-1.39				Discounted Prices

Big Bore Mod Motor 4 Valve Specific
Part #	Bore	Stroke	Rod	C. D.	Wt	Pin	CC's	Comp Ratio			Purchase Online
								45cc	51cc	55cc
								N/A	N/A	10.4
30022 $689	3.700	3.543	5.933	1.220	363	.866	-2.4				Discounted Prices