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Chevrolet Performance LSX-DR Cylinder Head, 313cc CNC'd Rectangle Intake Port Design

SKU: 19166979

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Chevrolet Performance LSX-DR Cylinder Head, 313cc CNC'd Rectangle Intake Port Design

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Excl. Tax: £1,995.00 Incl. Tax: £2,394.00
Chevrolet Performance LSX-DR Cylinder Head, 313cc CNC'd Rectangle Intake Port Design is available for purchase in increments of 1

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Chevrolet Performance LSX-DR Cylinder Head, 313cc CNC'd Rectangle Intake Port Design

Specifications:

  • Fully CNC ported
  • 356-T6 aluminum racing head
  • Valve guides and seats installed
  • 5/8'' thick deck
  • LSX-DR rectangle intake port design - requires LSX-DR intake manifold (p/n 809-19257851)
  • LSX-CT/DR spread port exhaust port pattern
  • Cast-in down-nozzle bosses (not machined)
  • Designed for up to 2.280'' intake and 1.620'' exhaust valves (4.165'' minimum bore)
  • Machined for 1.660'' valve springs
  • 11° valve angle
  • Minimum 4.125'' bore
  • 313cc CNC'd intake ports
  • 116cc CNC'd exhaust ports
  • 50cc CNC'd combustion chambers
  • Provisions for down-nozzle machining
  • 9° intake manifold angle - requires new LSX-DR intake manifolds
  • Unique LSX-DR exhaust bolt pattern
  • Raised rocker rails
  • Requires p/n 809-19201808 shaft-mount rocker kit
  • Capable of over 900 naturally aspirated horsepower!
  • Installed on LSX454R engine assembly
Tech Specs

Specifications:

  • Fully CNC ported
  • 356-T6 aluminum racing head
  • Valve guides and seats installed
  • 5/8'' thick deck
  • LSX-DR rectangle intake port design - requires LSX-DR intake manifold (p/n 809-19257851)
  • LSX-CT/DR spread port exhaust port pattern
  • Cast-in down-nozzle bosses (not machined)
  • Designed for up to 2.280'' intake and 1.620'' exhaust valves (4.165'' minimum bore)
  • Machined for 1.660'' valve springs
  • 11° valve angle
  • Minimum 4.125'' bore
  • 313cc CNC'd intake ports
  • 116cc CNC'd exhaust ports
  • 50cc CNC'd combustion chambers
  • Provisions for down-nozzle machining
  • 9° intake manifold angle - requires new LSX-DR intake manifolds
  • Unique LSX-DR exhaust bolt pattern
  • Raised rocker rails
  • Requires p/n 809-19201808 shaft-mount rocker kit
  • Capable of over 900 naturally aspirated horsepower!
  • Installed on LSX454R engine assembly
Fits No
SAAB No
Fiat No
Alfa Romeo No
Phone Model No
Colour No

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