The VFactor 23° v2.35/205cc SBSR is a dedicated Small Bore cylinder head. This is the perfect head for 4.060" bore, 389 CI and smaller builds. Take advantage of one of the only dedicated small bore offerings in the industry!
Heads can be purchased bare or fully assembled.
4.060" Fixture .200 138/108
.300 204/144
.400 248/176
.500 280/201
.600 292/217
.700 302/229
.800 308/236
.900 314/244
1.000 316/247
2.320 sq in Avg CSA
2.300 sq in Minimum Size
5.400" Port Length
205cc Runner
1.320" x 2.250" Opening
2.055" Intake Valve with 33º Back Cut
1.600" Exhaust Valve
62-68cc Chamber
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