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Brodix STS BB-4 XTRA Series Cylinder Head CNC Ported

158-2048104


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STS BB-4 XTRA Series Cylinder Head CNC Ported
STS BB-4 XTRA Series Cylinder Head
  • CNC Ported
  • 390cc Rectangle Intake Ports
  • 115cc Combustion Chambers
  • 2.350'' Intake / 1.900'' Exhaust Valves
  • 1.625'' Dia. Springs - 255# Seat Pressure
  • Titanium Retainers
  • Assembled, 1/pkg.
  • Currently unavailable.
    This product is not available, please call customer service for options, at 1-800-345-4545.

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    This 64 cc chambered head is fully assembled and machined with valves, guides, seats, rocker studs, springs retainers, locks, and springs for a solid roller camshaft installed.FeaturesHigh flowing intake port with over 279 CFM of flowCompetition valve job with blended ...
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    Cylinder Head Specifications Intake Port Volume: 195cc Combustion Chamber Volume: 68cc Valves: 2.080'' dia. x 4.965'' o.a.l. Stainless Steel Intake / 1.600'' dia. x 4.965'' o.a.l. Stainless Steel Exhaust ( 11/32'' Stem Diameter ) Valve Springs: 1.550'' Diameter - Open ...
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    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 studs, valves, springs retainers or locks. Cylinder Head Specifications Intake Port Volume: 305cc (CNC ...
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