SBF 173CC Aluminium Heads Asseassemb. Alloy Cylinder Heads
Product Information
The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilize ultra-smooth A356-T6 aluminium castings, new as cast runner and chamber designs produce excellent flow numbers. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business. Complete assemblies include valves, valve springs, retainers & locks, guide plates and 7/16" rocker studs.
- Application: Ford small block V8
- Combustion Chamber volume: 60cc
- Exhaust Runner Volume: 60cc
- Intake Runner Volume: 170cc
- Intake Valve Diameter: 2.02"
- Exhaust Valve Diameter: 1.60"
- Valve Material: Stainless Steel
- Spring Installed Heigh 1.73" @ 145lbs
- Maximum Valve Spring Lif .575" @ 315lbs
- Outside Diameter of Outer Spring: 1.46" Single spring with internal damper
- Lock Style: 7 Degree
- Valve Stem Seal Material: Viton
- Rocker Stud Thread Size: 7/16"
- Guide Plate Pushrod Size: 5/16"
- Valve Guide Material: Manganese Bronze
- Quantity: Sold as a pair.

Product Information
The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilize ultra-smooth A356-T6 aluminium castings, new as cast runner and chamber designs produce excellent flow numbers. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business. Complete assemblies include valves, valve springs, retainers & locks, guide plates and 7/16" rocker studs.
- Application: Ford small block V8
- Combustion Chamber volume: 60cc
- Exhaust Runner Volume: 60cc
- Intake Runner Volume: 170cc
- Intake Valve Diameter: 2.02"
- Exhaust Valve Diameter: 1.60"
- Valve Material: Stainless Steel
- Spring Installed Heigh 1.73" @ 145lbs
- Maximum Valve Spring Lif .575" @ 315lbs
- Outside Diameter of Outer Spring: 1.46" Single spring with internal damper
- Lock Style: 7 Degree
- Valve Stem Seal Material: Viton
- Rocker Stud Thread Size: 7/16"
- Guide Plate Pushrod Size: 5/16"
- Valve Guide Material: Manganese Bronze
- Quantity: Sold as a pair.