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Super Stock Cylinder Head for Twin Cam - 106-3255

  • Part #:
    140749
  • Mfg Part #:
    106-3255
  • OEM/Ref#:

Super Stock Cylinder Head for Twin Cam - 106-3255

  • Part #:
    140749
  • Mfg Part #:
    106-3255
  • OEM/Ref#:
MSRP: $1,375.95

Price: $1238.36 10% off!
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S&S Cycle Super Stock Cylinder Head for Twin Cam - 106-3255
  • High port flow gives great performance now, and more later when additional upgrades are done
  • Heads are fully assembled with springs and valves, and are available in silver or black powder-coat finish to match OEM components
  • Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see Compression Ratios chart for specifications
  • 89cc heads work best for motors over 103 in. or with high-compression pop-up pistons
  • 89cc have 2.000 intake and 1.605 exhaust and .640 springs
  • Accept S&S rocker boxes only
  • Heads are machined for compression releases
  • Do not include rocker arm components, intake manifold, gaskets or head bolts (requires eight long OEM length head bolts)
  • Accepts OEM intake manifolds
  • Sold in pairs
  • Made in the U.S.A.

NOTE: OEM pistons will require machining for valve clearance

NOTE: Not for models with OEM compression releases

This item ships 3-4 business days after order is processed

Included Items:

(2) Cylinder head assemblies

(4) 5/16"-24 Serrated flange hex nuts

(2) Rocket cover gaskets

(4) 3/8"-16 x 3-3/8" Internal threaded 12 point head bolts

(4) 3/8" Thick washers

(2) Manifold O-ring seals

(2) 5/16"-18 x 1" Hex head bolts

(3) 5/16" Flat washers

(2) 14mm Compression release plugs

(2) 14mm Compression washers

Instructions



The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specifications
Mfg #: 106-3255
Part #: 140749
Type Cylinder Head
Units Pair
Weight 28.65 lbs
Alternate/OEM Part Number(s):
09300065
Resources & Manuals
Fitment for S&S Cycle Super Stock Cylinder Head for Twin Cam - 106-3255

Part 140749 fits the following machines

Harley-Davidson

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