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S&S CYCLE Cylinder Heads - Twin Cam 106-4270

Part Number: 09300068
S&S CYCLE
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SKU:
09300068
MPN:
106-4270
Condition:
New
Availability:
Ships Same Business Day
Weight:
27.95 LBS
On Sale
MSRP: $1,995.95
Now: $1,796.36
Was: $1,995.95
— You save $199.59

Ships from Manufacture | Call to Order (231) 767-5055

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Description

If you're looking to unlock real performance gains from your Twin Cam engine, port flow is everything—and S&S Cycle cylinder heads deliver the flow characteristics that support both immediate power and future upgrades. These fully assembled heads are engineered to maximize intake and exhaust efficiency, giving you a solid foundation whether you're running stock displacement or pushing into forced induction territory. With precision CNC machining and U.S.A. manufacturing, you get the durability and consistency that serious riders demand.

Technical Specifications:

  • MPN: 106-4270
  • Manufacturer: S&S Cycle
  • Application: Twin Cam
  • Fully assembled, ready to install
  • 79cc chamber option available
  • 89cc chamber option available
  • 79cc: 1.940" intake valve
  • 79cc: 1.575" exhaust valve
  • 79cc: .640" max lift rating
  • 89cc: 2.000" intake valve
  • 89cc: 1.605" exhaust valve
  • 89cc: .640" max lift rating
  • Includes four long headbolts
  • Reuses four OEM long bolts
  • Compatible with OEM intake manifolds
  • CNC-machined for compression releases
  • Requires S&S rocker boxes (#90-4110)
  • Not Twin Cooled compatible
  • Made in U.S.A.
  • Compression ratio varies by configuration
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Specs

MATERIAL:
ALUMINUM
RIDING STYLE:
STREET
COLOR/FINISH:
POWDER-COATED
MODEL:
SUPER STOCK
PRODUCT NAME:
CYLINDER HEAD KIT
DISPLACEMENT:
89 CC
COLOR/FINISH:
SILVER
UNITS:
PAIR
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Fitment

Fitment for S&S CYCLE Cylinder Heads - Twin Cam 106-4270

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