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STS BB-1 Series Cylinder Heads305cc Intake Port Volume Unassembled, Bare Head 100% CNC Ported
- STS BB-1 Series Cylinder Head
- CNC Ported
- 305cc Intake Ports
- 119cc Combustion Chambers
- 2.250'' Intake / 1.880'' Exhaust Valve Sizes
- Bare, 1/pkg.
This head is sold as an unassembled bare casting. It is finished machined and includes valve guides and valve seats installed. This head does NOT include rocker studs, valves, springs, retainers or locks.
Cylinder Head Specifications - Intake Port Volume: 305cc - Rectangle Port
- Combustion Chamber Volume: 119cc
- Valve Sizes: 2.250' Intake / 1.880' Exhaust ( 11/32' Stem Diameter )
- Spark Plug Configuration: AngledFacts and Related Components
- Torque Heads: 70 ft-lb.
- Torque Rocker Studs: 40-45 ft-lb.
- Intake Gasket: Brodix p/n 158-MG2001, Fel-Pro p/n 375-1252-3, Cometic p/n 245-C5428
- Head Gasket: 4.310' Bore - Fel-Pro p/n 375-1027, Cometic p/n 245-C5432; 4.540' Bore - Fel-Pro p/n 375-1017, Cometic p/n 245-C5433
- Exhaust Gasket: Fel-Pro p/n 375-1411 or Cometic p/n 245-C5429
- Head Bolts: ARP p/n 070-135-3606, Manley p/n 660-42192
- Head Studs: ARP p/n 070-235-4702 (12-point)
- Spark Plug Specs: 14mm Thread, .750' (3/4') Reach, Gasket Seat
- Valve Angle: 26° and 4° Intake, 17° and 4° Exhaust
- Angle Milling: .0066' per cc
- Flat Milling: .0050' per cc
- Pushrod Slots: Standard
- Pushrods: Check pushrod clearance with head installed on the engine block before final assembly
- Stud Girdle: Standard, Brodix p/n 158-1230
- Rocker Arms: Standard
- Lifters: Standard
- Pistons: Standard
- Exhaust Pattern: Raised .600'
- Valve Centerline: Standard
- Spring Pockets: May not be cut any larger or deeper than 1.625'
- Accessory Bolt Holes are Drilled
- Recommended Intake Manifold: BB-1 Brodix HV 2016 (p/n 158-HV2016) / HV 2000 (p/n 158-HV2000); STS BB-1 Brodix HV 2000 (p/n 158-HV2000) / HV 2001 (p/n 158-HV2001)
Part TypeCylinder Head
BrandBRODIX
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number2018001
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
