Track 1 23ø aluminum heads deliver economical out-of-the-box horsepower and are available bare or assembled. Assembled heads have blended bowls, matched ports, a performance valve job, 2.08" x 1.60" stainless valves, bronze guides, 7/16" screw-in studs, 5/16" guide plates, 1.550" dia. roller valve springs, 10ø steel retainers and valve locks. Track 1 STS and KC CNC-ported heads are fitted with titanium retainers. Bare SSPE spec. head requires finish machining, valve job, and valve train components. All heads are sold in pairs.
- Cylinder Head Style:
- Bare
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- Unfinished
- Combustion Chamber Style:
- N/A
- CNC-Machined Intake Runner:
- N/A
- Intake Runner Volume (cc):
- Unfinished
- Intake Port Shape:
- N/A
- Intake Port Location:
- Unfinished
- Intake Valve Angle:
- 23 degree
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- Unfinished
- Exhaust Port Shape:
- N/A
- Exhaust Port Location:
- Standard
- Exhaust Valve Angle:
- 23 degree
- Intake Valves Included:
- No
- Intake Valve Diameter (in.):
- N/A
- Exhaust Valves Included:
- No
- Exhaust Valve Diameter (in.):
- N/A
- Valve Type:
- N/A
- Maximum Valve Lift (in.):
- N/A
- Valve Springs Included:
- No
- Valve Spring Type:
- N/A
- Outside Diameter of Outer Spring (in.):
- 1.550 in.
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Bronze
- Valve Seats Machined:
- N/A
- Valve Seat Material:
- N/A
- Valve Seat Machine Style:
- N/A
- Retainers Included:
- N/A
- Retainer Material:
- N/A
- Valve Stem Seals Included:
- No
- Valve Stem Seal Style:
- N/A
- Locks Included:
- No
- Lock Style:
- N/A
- Camshaft Style:
- N/A
- Spark Plug Style:
- Angled
- Guideplates Included:
- No
- Guideplate Pushrod Size:
- N/A
- Rocker Arm Studs Included:
- No
- Rocker Arm Nut Thread Size:
- N/A
- Accessory Bolt Holes Drilled:
- N/A
- Valve Cover Mounting Style:
- Perimeter bolt
- Heat Crossover:
- N/A
- Steam Holes Drilled:
- N/A
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold as a pair.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
