Series One 175 SBF
(Sold in Pairs)

$735.00$1,175.00

The series 1 175cc SBF is an economical head that has all the right stuff. This head will make your SBF come to life. They have been on track tested weekly in a dirt late model. Put track tested performance in your small block Ford at a price that cannot be beat!

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  • 175cc As cast Intake runner
  • Ultra-smooth 356-T6 casting
  • Diamond honed guides
  • Multi angle valve job
  • Precision CNC machining
  • Multiple spring options
  • Assembled heads feature 21-4N back cut swirl polished 1 pc stainless steel valves, 3/8 studs and adjustable guide plates
  • Machined and assembled in the USA
Flow Data @ 28″ water
lift 100 200 300 400 500 600
Int 70 136 192 233 257 267
Ext 66 119 155 176 190 199
PART # BRIEF DESCRIPTION PLUG TYPE CHAMBER SIZE VALVE SIZE MAX LIFT
1102 175 SBF Assy Hyd Roller 60 2.02/1.6 .600 Hyd Roller
1102HF 175 SBF Assy Hyd Flat Tappet 60 2.02/1.6 .575 Hyd Flat Tappet
1102SR 175 SBF Assy Solid Roller 60 2.02/1.6 .700 Solid Roller
1102SRT 175 SBF Assy Solid Roller Ti Retainers 60 2.02/1.6 .700 Solid Roller Ti Retainers
1100 175 SBF Bare 60 2.02/1.6

 

Combustion Chamber ……60cc
Weight …………………………55.00 lbs.
Intake Runner ……………. 175cc
Exhaust Runner …………..66cc
Intake Valve Size …………2.02”
Exhaust Valve Size …….. 1.60”
Spring Pressure

Hydraulic Flat Tappet .575 max lift
Closed ………………….. 115 lbs. @ 1.800”
Open ……………………. 310 lbs. @ 1.225”

Hydraulic Roller .600 max lift

Closed …………………… 145 lbs. @ 1.800”

Open …………………….. 325 lbs. @ 1.200”

Solid Roller .700 max lift

Closed …………………… 235 lbs. @ 1.900”

Open …………………….. 600 lbs. @ 1.200”

******* other options available******
Valve Guide ……………Manganese Bronze
Valve Seal Material … Viton
Retainer Material ……Steel
Valve Job ……………… 5-angle
Head Bolts……………. ARP 154-3701(302)/154-3603(351W)
Valve Spacing ………. OEM
Valve Seats ……………Hardened Steel
Intake Gasket ………. Fel-Pro  1262
Exhaust Gasket ……. Fel-Pro 1415
Head Gasket ……….. Fel-Pro 1011-1 (68-82)  1011-2 (83-95)
Spark Plug …………. .750” Reach Gasket Seat
Torque specs ……..   80 Ft lbs. 3 increments using 30wt oil

Additional information

Weight 64 lbs