Cylinders, Top Ends, Upgrade Kits

Powdercoated cylinders are now available. Click here for more info

Zenoah 2 Bolt 22.5cc G230RC Cylinder $35	Zenoah 2 Bolt 22.5cc G230RC Top End $59	Zenoah 4 Bolt 22.5cc G240RC Cylinder $53	CY 2 Bolt 25.4cc Top End Kit $45
			Out Of Stock
Zenoah 2 Bolt 25.4cc G260RC Cylinder $38	Zenoah 2 Bolt 25.4cc G260RC Top End $59	Zenoah 4 Bolt 25.4cc G270RC Cylinder $53	Zenoah 25.4cc 4 Bolt Zenoah G270RC Top End $69
CY 2 Bolt 27cc Top End $49	CY 2 Bolt 27cc Billet Head Kit $99	CY 2 Bolt 36mm GP290 28.5cc Cylinder $55	CY 2 Bolt 36mm GP290 28.5cc Top End $75
CY 2 Bolt 36mm GP290 28.5cc Cylinder 40mm Boss $69	CY 2 Bolt 36mm GP290 28.5cc Top End 40mm Boss $89	Zenoah 4 Bolt 36mm 29cc Top End Kit $89	CY 2 Bolt 29cc Top End Kit $59
CY 2 Bolt 29cc Upgrade Kit With 2mm Stroker $89	CY 2 Bolt 29cc Upgrade Kit With Stuffed 2mm Stroker $109	CY 2 Bolt 29cc Billet Head Kit With 2mm Crank $129	CY 2 Bolt 29cc Head Kit With Stuffed 2mm Stroker $139
CY 2 Bolt 30.5cc Upgrade Kit With Stuffed 2mm Stroker $109	CY 2 Bolt 29cc Cut Cylinder $49	CY Head Kit Dome 11:1-20:1 $7	CY Head Kit Copper Dome Gasket $5

Race Ported Zenoah And CY 2 Bolt Top Ends And Upgrade Kits

Race Ported Zenoah 2 Boalt 25.4cc Big Bore Kit $75	Machined And Race Ported Zenoah 2 Bolt 27.2cc Top End $99	Machined And Race Ported Zenoah 2 Bolt 27.2cc Top End With 2mm Stuffed Crank $149	Race Ported CY 2 Bolt 27cc Top End $75
Race Ported CY 2 Bolt 36mm GP290 28.5cc Top End Kit $105	Machined And Race Ported CY 2 Bolt 30.5cc Top End (36mm) $109	Race Ported CY 2 Bolt 30.5cc Upgrade Kit With .040 Copper Gasket $149	Machined And Race Ported CY 2 Bolt 30.5cc Upgrade Kit With 2mm Stuffed Stroker $149

Race Ported Zenoah 4 Bolt Top Ends And Upgrade Kits

Race Ported G270RC 25.4cc Top End $99	Race Ported G270RC 25.4cc Top End With Decked Cylinder $129	Race Ported G270RC 25.4cc Top End With Lightened Piston $119	Race Ported G270RC Top End With Lightened Piston And Decked Cylinder $139
Race Ported 27.2cc 4 Bolt Top End $119	Race Ported 27.2cc 4 Bolt Upgrade Kit $159	Race Ported 27.2cc 4 Bolt Top End With Lightened Piston $139	Race Ported 27.2cc 4 Bolt Upgrade Kit With Lightened Piston $179

 

Cylinder Reed Ported Zenoah And CY 2 Bolt Top Ends And Upgrade Kits

 

Reed Ported 2 Bolt 25.4cc Zenoah Top End With Reed $199	Reed Ported 2 Bolt 25.4cc Zenoah Top End $99	Machined And Reed Ported 2 Bolt Zenoah 27.2cc Top End $125	Machined And Reed Ported 2 Bolt Zenoah 27.2cc Upgrade Kit With Reed And Stuffed 2mm Stroker $249
Reed Ported 2 Bolt CY 28.5cc Top End $109	Reed Ported2 Bolt CY 28.5cc Top End With Reed $209	Machined And Reed Ported 2 Bolt CY 30.5cc Top End Kit $125	Machined And Reed Ported 2 Bolt CY 30.5cc Upgrade Kit With Reed $249