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KB Performance

Forged Piston Kit For Twin Cam w/Screamin Eagle 95cc Heads 3.880 in. Bore - KB660C-005

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KB Performance

Forged Piston Kit For Twin Cam w/Screamin Eagle 95cc Heads 3.880 in. Bore - KB660C-005

MSRP Price: $289.95

Our Price: $257.88
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MSRP Price: $289.95

Our Price: $257.88
Ships Free
You Save $32.07 (11%)
In Stock - 1 on Hand
KB Performance Forged Piston Kit For Twin Cam w/Screamin Eagle 95cc Heads 3.880 in. Bore - KB660C-005
  • Pistons forged from 4032 aluminum alloy
  • Forged 4032 alloy is an 1% silicon alloy that is formed in a forging press then fully machined
  • The combination of this alloy and forging process allows the piston to flex under detonation or preignition, giving the best resistance to cracking
  • Since 4032 alloy has a low expansion rate but higher than Hypereutectic, it will require about a .001 in. wider piston to wall clearance
  • Forged pistons are suited for Street or Race with power adders such as NOS or boost
  • Feature an anti-friction skirt coating
  • Offset pin design for quiet operation
  • Each kit contains 2 pistons, pins, spiral-lock pin clips and Hastings moly rings


True 10:1 with Screamin Eagle (MVA) Maximum Velocity Area Heads

For 2012-2015 103 in. Twin Cam and 2007-2015 96 in. Twin Cam Big Bore 103 in. (w/Screamin Eagles 95cc Heads)

Bore: 3.880 in.
Stroke: 4.375 in.
Comp Hgt: 1.076 in.
CC: -8.8
Comp. Ratio: 10:1



Included Items:

(2) Pistons

(2) Piston pins

(4) Circlips

(2) Ring sets including (2) top rings, (2) second rings, (2) oil spacers, (4) oil rings

Instructions 

Specifications
Part #: 13339305
Mfg #: KB660C-005
Bore Size 3.880 in.
Compression Ratio 10:1
Type Piston Kit
Units Each
Weight 2.65 lbs
Alternate/OEM Part Number(s):
09103971
Reviews & Questions
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will pistons fit 2011 xl1200 Harley engins ?
walter on Jan 14, 2017
BEST ANSWER: no this is for the following application
For 2012-2015 103 in. Twin Cam and 2007-2015 96 in. Twin Cam Big Bore 103 in. (w/Screamin Eagles 95cc Heads)
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