SCREAMIN' PRO RACING PARTS EAGLE® - Harley-Davidson

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a. ScrEamIn’ EaglE ® Pro TWIn cam hIghcomPrESSIon
ForgED PISTon KITS* – 3-7/8"
These pistons have been designed to be used with our Twin
Cam Performance Heads and can also be used with stock
cylinder heads. These pistons are forged for higher rPM
capability than cast pistons, and come complete with rings,
wrist pins and clips. These pistons cannot be used in Stroker
applications. All eFI models require eCM calibration* (priced
separately). For race application only.
Fits ’99-’06 Twin Cam 1550 models equipped with 3-7/8"
cylinders.
22868-00a 3-7/8" Standard Bore. $299.95
22870-00a 3-7/8" Bore, +.010" o/s. $299.95
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B. ScrEamIn’ EaglE Pro TWIn cam hIghcomPrESSIon
caST PISTon KITS* – 3-7/8"
These high-compression 10.25:1 cast pistons are designed
for use in a Twin Cam engine equipped with stock cylinder
heads and 3-7/8" cylinders (1550). Piston kit includes
rings, clips and pins. All eFI models require eCM calibration*
(priced separately). For race application only.
Fits ’99-’06 Twin Cam 1550 models equipped with 3-7/8"
cylinders.
22661-99a 3-7/8" Standard Bore. $199.95
22179-99a 3-7/8" Bore, +.010" o/s. $199.95
noTIcE: cast pistons should not be used when engine speed
is expected to exceed 6200rPm. Failure to comply may result
in engine damage.
a. ScrEamIn’ EaglE Pro TWIn cam
hIgh-comPrESSIon ForgED PISTon
KITS – 3-7/8"
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c. ScrEamIn’ EaglE Pro TWIn cam BIg BorE
FlaT-ToP caST PISTon KITS* – 3-7/8"
These Flat-Top Cast Pistons are designed for use with
3-7/8" Big Bore performance cylinders (1550). Kit includes
rings, clips and pins. All eFI models require eCM calibration*
(priced separately). For race application only.
Fits ’99-’06 Twin Cam 1550 models equipped with 3-7/8"
cylinders.
22851-99a 3-7/8" Standard Bore. $199.95
22853-99a 3-7/8" Bore, +.010" o/s. $199.95
noTIcE: cast pistons should not be used when engine speed
is expected to exceed 6200rPm. Failure to comply may result
in engine damage.
*nOTe: See matrix on page 75 for recommended
cylinder head/piston combinations.
*recalibration is required for proper installation.
See Dealer for details. Labor cost not included.
*nOTICe: Always check piston-to-valve clearance with
modified dome pistons and non-stock cam shafts.
B. ScrEamIn’ EaglE Pro TWIn cam hIghcomPrESSIon
caST PISTon KITS – 3-7/8"
c. ScrEamIn’ EaglE Pro TWIn cam BIg BorE
FlaT-ToP caST PISTon KITS – 3-7/8"
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NOTE: High-compression Piston applications require installation of
appropriate compression release in cylinder heads.
74 PISTonS
TWIn CAM MODeLS
ScrEamIn’ EaglE Pro TWIn cam PISTon KITS