Dennis Kirk Inc.
Search Within
Ride Search
Top 3 Product Matches

Silver XL 1200 to 1250 Conversion Big Bore Kit (Silver) - 910-0436

  • Part #:
    147027
  • Mfg Part #:
    910-0436
  • OEM/Ref#:
1 / 1

Silver XL 1200 to 1250 Conversion Big Bore Kit (Silver) - 910-0436

  • Part #:
    147027
  • Mfg Part #:
    910-0436
  • OEM/Ref#:
MSRP: $815.95

Price: $734.36 10% off!
Make sure this fits your ride
Ships Free
Ships In 4-5 Business Days

S&S Cycle Silver XL 1200 to 1250 Conversion Big Bore Kit (Silver) - 910-0436
  • Forged pistons - coated piston skirts with measurement window and S&S logo
  • Stock 1986-2017 1200cc cylinders can be bored over to accept these pistons
  • S&S Forged 5.5cc Domed Pistons have larger than stock valve pockets - accepts up to 2.00 in. valves
  • 11.2:1 Compression Ratio (compression ratio given is with 60cc combustion chambers)

Kit Contents
S&S 1250cc pistons w/rings and wristpins
S&S 3 9/16 in. bore cylinders
MSL head, base, and exhaust gaskets
Assembly lube
Instructions

Notes: The cylinder fin profile does not perfectly match the fins on 2004 and later stock heads, but the difference is not considered to be objectionable. Compression ratio given are with 60cc combustion chambers. Can not run stock 883 cylinder heads with this kit. S&S does not recommend boring 2004 and later 883cc cylinders from 3 in. to 3 1/2 in. bore to increase engine displacement to 1200cc due to changes in factory cylinder and liner. A smaller O.D. liner and large chamfer on the bottom of the spigot make boring the 883 cylinder not possible. New cylinders are recommended. S&S cylinders match the fin profile on 1986-2003 cylinders heads. Although there is a slight difference in the fin profiles of S&S cylinders and stock 2004-2014 cylinder heads.



Included Items:

(2) Silver aluminum cylinders
(2) Pistons
(2) Piston pins
(4) Circlips
(4) Dowel pins
(2) Ring sets includes (2) top rings, (2) second rings, (4) oil rings and (2) oil ring spacers
(1) Gasket set includes (2) head gaskets, (2) base gaskets and (2) exhaust gaskets

Specifications
Compression Ratio 11.2:1
Mfg #: 910-0436
Part #: 147027
Type Big Bore Kit
Units Each
Weight 22.40 lbs
Alternate/OEM Part Number(s):
09310529
Resources & Manuals
Fitment for S&S Cycle Silver XL 1200 to 1250 Conversion Big Bore Kit (Silver) - 910-0436

Part 147027 fits the following machines

Harley-Davidson
  • Sportster - XLH 1100 1986-1987
  • Sportster - XLH 1200 1988-2003
  • Sportster 1200 Iron - XL 1200NS 2018-2020
  • Sportster Custom - XL 1200C 1996-2006, 2009-2019
  • Sportster Custom (EFI) - XL 1200C 2007-2008
  • Sportster Forty-Eight - XL 1200X 2010-2020
  • Sportster Forty-Eight Special - XL 1200XS 2018-2019
  • Sportster Iron - XL 883N 2013-2020
  • Sportster Low - XL 1200L 2006, 2009-2011
  • Sportster Low (EFI) - XL 1200L 2007-2008
  • Sportster Nightster - XL 1200N 2009-2012
  • Sportster Nightster (EFI) - XL 1200N 2007-2008
  • Sportster Roadster - XL 1200CX 2016-2020
  • Sportster Roadster - XL 1200R 2004-2006
  • Sportster Roadster (EFI) - XL 1200R 2007-2008
  • Sportster Seventy Two - XL 1200V 2012-2016
  • Sportster Sport - XL 1200S 1996-2003
  • Sportster Superlow - XL 1200T 2014-2017
  • Sportster SuperLow - XL 883L 2013-2019
Reviews & Questions
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!
There are no reviews for this item. Write Review