Page 351 - 2021-22_EngineCatalogAP

CYLINDER HEADS
Ford Small Block 289-351W
Twisted Wedge Track Heat 170 Cylinder Head
Twisted Wedge Track Heat series cylinder heads are capable of producing 600+ HP on naturally aspirated engines. Assembled heads include stainless steel valves (intakes are undercut) 1.46" diameter higher-rated valve springs (125 lbs seat pressure), 10° machined steel super locks, manganese bronze valve guides to support camshafts with up to .600" lift, 5/16" pushrod guide plates, 7/16" rocker arm studs, and heads are machined to accept 1/2" head bolts. Sold individually.
STREET PERFORMANCE/COMPETITION VALVES
Ford Small Block 289-351W
AFR
Edelbrock
Ferrea
Part No.
Description
Intake Runner
Comb. Chamber
Valve Angle
Intake Valve
Exhaust Valve
TRFTFS-51410010-M61
Assembled, 1.460" Dual Spring
170cc
61cc
15°/17°
2.020"
1.600"
Part No.
Description
Dia.
Length
Qty.
Exhaust Valves
AFR7247
Competition, Inconnel Steel, 8mm
1.570"
5.030"
1
AFR7248
Competition, Bead Lock Keepers, 8mm
1.570"
5.030"
1
AFR7260
Competition, Inconnel Steel, 8mm
1.600"
5.030"
1
Intake Valves
AFR7249
Street, 8mm
1.900"
4.900"
1
AFR7252
Competition, Stainless Steel, 8mm
2.050"
4.900"
1
AFR7265
Comp, 8mm
2.100"
5.020"
1
Part No.
Description
Dia.
Length
Qty.
Exhaust Valves
EDE9372
Edelbrock Victor Jr. Head Replacement, Stainless Steel, 11/32"
1.600"
5.060"
1
EDE9761
Edelbrock RPM Head Replacement 60989, Stainless Steel, 11/32"
1.600"
4.910"
1
EDE9762
Edelbrock Performer Head Replacement 60379/60399, 11/32"
1.600"
5.110"
1
EDE9766
Edelbrock Performer Head Replacement 60229/60259/60329/60359/60989, 11/32"
1.600"
4.930"
1
EDE9786
Edelbrock Victor Jr. Head Replacement, Stainless Steel, 11/32"
1.600"
5.020"
1
Intake Valves
EDE9370
Edelbrock Victor Jr. Head Replacement, Stainless Steel, 11/32"
2.050"
5.060"
1
EDE9760
Edelbrock RPM Head Replacement 60989, Stainless Steel, 11/32"
2.020"
4.910"
1
EDE9764
Edelbrock Performer Head Replacement 60379/60399, 11/32"
1.900"
5.110"
1
EDE9784
Edelbrock Victor Jr. Head Replacement, Stainless Steel, 11/32"
2.080"
5.010"
1
Part No.
Description
Dia.
Length
Qty.
1000 Series Valves
Intake Valves
FERF1001P-8
Competition Plus, Stainless Steel, 11/32"
2.080"
5.160"
8
FERF1005P-8
Competition Plus, Stainless Steel, 11/32"
2.020"
4.960"
8
FERF1007P-8
Competition Plus, Stainless Steel, 11/32"
2.020"
5.010"
8
FERF1009P-8
Competition Plus, Stainless Steel, 11/32"
2.080"
4.960"
8
5000 Series Valves
Exhaust Valves
FERF5014-8
High-Performance, 289-302, 351W, 11/32"
1.450"
5.030"
8
FERF5028-8
High-Performance, 351W, GT-40, 11/32"
1.550"
5.075"
8
Intake Valves
FERF5012-8
High-Performance, 289-302, 351W, 11/32"
1.782"
5.030"
8
FERF5029-8
High-Performance, 351W, GT40, 11/32"
1.850"
5.075"
8
FERF5071-8
High-Performance, 351W, GT40, 11/32"
1.900"
5.075"
8
FERF5059-8
High-Performance, 351W, GT40, 11/32"
1.940"
5.075"
8
2021-22 ENGINE BUILDER CATALOG 349
FORD SMALL BLOCK 221-351W