AFR Cylinder Head SB ford 210 Enforcer Plus CNC Ported, Stage 2, 65cc, Stud Mount

CNC-Motorsports has taken AFR's 1351 185cc SBF Enforcer Cylinder heads to the next level of performance offerings. This 210cc CNC ported cylinder head offers impressive flow numbers while maintaining the stock valve size for excellent street characteristics and drivability. This cylinder head comes fully assembled with ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and ductile iron seats (not powdered metal) and one piece 8mm 21 4N Stainless Steel valves.

CNC Ported Exhaust Ports
CNC Ported Intake Ports
CNC Ported Combustion Chambers
CNC Multi-Angle Performance Valve Job
8mm Bead Lock Intake Valve, 2.050" x 5.000" Overall Valve Length
8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available)
7° Manley Steel Retainers 1.245" O.D x .885" I.D x .655" I.D
7° Bead Lock Valve Keepers
ARP 3/8" Rocker Studs
Adjustable 5/16" Guide Plates
Viton Valve Seals .675" O.D x .513" I.D
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D

Flow numbers with 2.050 intake valve and 1.600 exhaust valve and CNC Performance valve job (1262 Radius inlet / 1 5/8 exhaust pipe)

.050 lift: 24cfm Exhaust - 33cfm Intake

.100 lift: 53cfm Exhaust - 70cfm Intake

.200 lift: 116cfm Exhaust - 144cfm Intake

.300 lift: 162cfm Exhaust - 203cfm Intake

.400 lift: 181cfm Exhaust - 260cfm Intake

.500 lift: 191cfm Exhaust - 286cfm Intake

.600 lift: 199cfm Exhaust - 305cfm Intake

.700 lift: 205cfm Exhaust - 313cfm Intake