S&S 310-1106A 130 BHP! Big Bore Kit Harley Davidson Milwaukee 8104 softail , 4.250" Bore, 4-3/8" Stroke oil cooled
S&S 310-1106A Big Bore Kit 130 BHP! Harley Davidson Milwaukee 8104 softail oil cooled 4.250" Bore, 4-3/8" Stroke,

S&S Big Bore Kit 310-1106A Harley Davidson Milwaukee 8104 softail

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S&S 310-1106A Harley Davidson M8 114-124 Big bore Kit , Touring upgrade Power Pack motor , oil Cooled, 4.250" Bore, 4-3/8" Stroke, with Chrome Pushrod Tubes, 550C Cam, With Black fins & Highlight no machining needed! bolt in KIT! save £450 onl;y 2 left !


******   Double your BHP to 130 BHP!!  ********

   Fitment 18- up  Softail, 17-up  Touring, except 17- up  FLHTK, 17-up  FLHTKL, 17-up  FLHTKSE, 17-up  FLHXSE, 17-up  FLTRU, 18 up  FLHTK ANV, 18-up  ANVFLHTKSE, 19-up  FLHTCU, Except Water Cooled Models also fuits 2021 ups too!



130 Bhp S&S 128cubic inch  Softail 114-128 Ci  Bolt in Big Bore kit no case machining great power add on .  save £450 only 2 left then no more!

S&S M8 114 to 128 Cubic Inch big bore kit with new oil pump tensioners camchest cams pushrods etc Power Pack, Water Cooled, 4.250" Bore, 4-3/8" Stroke .Heres TOP END first .140BHP DOUBLE BHP!!

114" to 128" Big Bore Kit:

    Wrinkle Black or Black Granite Finish
    Available With or Without Fin Highlighting for Wrinkle Black
    Bolt-On Kit — No Case Machining Required
    4.250" Bore
    Forged Pistons
    11.1:1 Compression Ratio

Oil Pump/Cam Plate:

    Precision Machined from Billet Aluminum
    Passage Plugs Removable for Servicing
    Independent Scavenge Sections for Flywheel Cavity & Cam Chest
    Debris Screens in Both Scavenge Pickups
    Magnet in Cam Chest to Help to Stop Debris from Entering Oil Pump
    Increased Flow Capacity on Both Feed & Scavenge Side
    Pressure Relief Valve is Adjustable with Unit Installed in Engine

Pushrods:

    Quickee Pushrods with chrome covers

Tappets:

    S&S Precision Tappets

Tappet Cuffs:

    Hard Anodized Black Coating
    Billet Aluminum Construction
    Stronger than Stock Material Eliminates Distortion
    Improve Tappet Stability in High Lift & High rpm Situations

Cam:

    S&S 550 Cam- Designed for Big Bore Applications
    Available in Both Gear Drive & Chain Drive Variations
    Gear Drive Kits Provide Improved Cam Timing Accuracy & Eliminate Stock Chain Tensioner
    Gear Drive Kits Include Outer Drive Gears

Valve Springs:

    Work well with cams up to .605 lift
    High Performance Conical Single Wire Spring
    Includes Top Collars, Keepers, & Valve Seals/Bottom Collars

S&S power curve dyna M8 124 big bore kit !

S&S 124 M8 big bore kit see the POWER ! 130 Bhp ! awesome- heres Bottom 1/2 of kit - FITS all M8 2017 UP-see below but does 2021 too! Mike 

Manufacturer #:  310-1059

Harley Davidson  FXLRS 1868 ABS Softail Low Rider S 114  1868  2020  ALL  69 KW(94 PS)  18-19 Softail, 17-19 Touring, except 17-19 FLHTK, 17-19 FLHTKL, 17-19 FLHTKSE, 17-19 FLHXSE, 17-18 FLTRU, 18 FLHTK ANV, 18 ANVFLHTKSE, 19 FLHTCU, Except Water Cooled Models Harley Davidson  FLDE 1750 ABS Softail Deluxe 107  1746  2018  ALL  64 KW(87 PS)   Harley Davidson  FLDE 1750 ABS Softail Deluxe 107  1746  2019  ALL  64 KW(87 PS)   Harley Davidson  FLDE 1750 ABS Softail Deluxe 107  1746  2020  ALL  64 KW(87 PS)   Harley Davidson  FLFB 1750 ABS Softail Fat Boy 107  1746  2018  ALL  64 KW(87 PS)   Harley Davidson  FLFB 1750 ABS Softail Fat Boy 107  1746  2019  ALL  64 KW(87 PS)   Harley Davidson  FLFB 1750 ABS Softail Fat Boy 107  1746  2020  ALL  64 KW(87 PS)   Harley Davidson  FLFBS 1868 ABS Softail Fat Boy 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FLFBS 1868 ABS Softail Fat Boy Anniversary (ANX) 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FLFBS 1868 ABS Softail Fat Boy Anniversary (ANV) 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FLFBS 1868 ABS Softail Fat Boy 114  1868  2019  ALL  69 KW(94 PS)   
Harley Davidson  FLFBS 1868 ABS Softail Fat Boy 114  1868  2020  ALL  69 KW(94 PS)   
Harley Davidson  FLHC 1750 ABS Softail Heritage Classic 107  1746  2018  ALL  64 KW(87 PS)   
Harley Davidson  FLHC 1750 ABS Softail Heritage Classic 107  1746  2019  ALL  64 KW(87 PS)   
Harley Davidson  FLHC 1750 ABS Softail Heritage Classic 107  1746  2020  ALL  64 KW(87 PS)   
Harley Davidson  FLHCS 1868 ABS Softail Heritage Classic 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FLHCS 1868 ABS Softail Heritage Classic Anniversary 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FLHCS 1868 ABS Softail Heritage Classic 114  1868  2019  ALL  69 KW(94 PS)   
Harley Davidson  FLHCS 1868 ABS Softail Heritage Classic 114  1868  2020  ALL  69 KW(94 PS)   
Harley Davidson  FLHR 1750 ABS Road King 107  1750  2017  ALL  66 KW(90 PS)   
Harley Davidson  FLHR 1750 Road King 107  1750  2017  AMERICA  66 KW(90 PS)   
Harley Davidson  FLHR 1750 ABS Road King 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHR 1750 Road King 107  1746  2018  AMERICA  66 KW(90 PS)   
Harley Davidson  FLHR 1750 ABS Road King 107  1746  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLHR 1750 Road King 107  1746  2019  AMERICA  66 KW(90 PS)   
Harley Davidson  FLHR 1750 ABS Road King 107  1746  2020  ALL  66 KW(90 PS)   
Harley Davidson  FLHRC 1750 ABS Road King Classic 107  1750  2017  EUROPE  66 KW(90 PS)   
Harley Davidson  FLHRC 1750 ABS Road King Classic 107  1745  2018  EUROPE  66 KW(90 PS)   
Harley Davidson  FLHRC 1750 ABS Road King Classic 107  1746  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLHRXS 1750 ABS Road King Special 107  1750  2017  ALL  66 KW(90 PS)   
Harley Davidson  FLHRXS 1750 ABS Road King Special 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHRXS 1868 ABS Road King Special 114  1868  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLHRXS 1868 ABS Road King Special 114  1868  2020  ALL  75 KW(102 PS)   
Harley Davidson  FLHT 1750 ABS Electra Glide Standard 107  1746  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLHT 1750 ABS Electra Glide Standard 107  1746  2020  ALL  66 KW(90 PS)   
Harley Davidson  FLHTCU 1750 ABS Electra Glide Ultra Classic 107  1746  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLHTCUTG 1750 Trike Tri Glide Ultra Classic 107  1750  2017  ALL  66 KW(90 PS)   
Harley Davidson  FLHTCUTG 1750 Tri Glide Ultra 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHTCUTG 1750 Tri Glide Ultra Anniversary 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHTCUTG 1750 ABS Tri Glide Ultra 107  1746  2019  ALL  65 KW(88 PS)   
Harley Davidson  FLHTCUTG 1868 ABS Tri Glide Ultra 114  1868  2020  ALL  65 KW(88 PS)   
Harley Davidson  FLHTCUTGSE 1923 ABS Tri Glide Ultra CVO 117  1923  2020  ALL  78 KW(106 PS)   
Harley Davidson  FLHX 1750 Street Glide 107  1750  2017  AMERICA  66 KW(90 PS)   
Harley Davidson  FLHX 1750 ABS Street Glide 107  1750  2017  AMERICA  66 KW(90 PS)   
Harley Davidson  FLHX 1750 ABS Street Glide 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHX 1750 ABS Street Glide Anniversary 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHX 1750 Street Glide 107  1746  2018  AMERICA  66 KW(90 PS)   
Harley Davidson  FLHX 1750 ABS Street Glide 107  1746  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLHX 1750 Street Glide 107  1746  2019  AMERICA  66 KW(90 PS)   
Harley Davidson  FLHX 1750 ABS Street Glide 107  1746  2020  ALL  66 KW(90 PS)   
Harley Davidson  FLHXS 1750 ABS Street Glide Special 107  1750  2017  ALL  66 KW(90 PS)   
Harley Davidson  FLHXS 1750 ABS Street Glide Special 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHXS 1750 ABS Street Glide Special Anniversary 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLHXS 1868 ABS Street Glide Special 114  1868  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLHXS 1868 ABS Street Glide Special 114  1868  2020  ALL  75 KW(102 PS)   
Harley Davidson  FLRT 1750 Freewheeler 107  1750  2017  AMERICA  66 KW(90 PS)   
Harley Davidson  FLRT 1750 Freewheeler 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLRT 1750 ABS Freewheeler 107  1746  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLRT 1868 ABS Freewheeler 114  1868  2020  ALL  66 KW(90 PS)   
Harley Davidson  FLSB 1750 ABS Softail Sport Glide 107  1746  2018  ALL  62 KW(84 PS)   
Harley Davidson  FLSB 1750 ABS Softail Sport Glide 107  1746  2019  ALL  62 KW(84 PS)   
Harley Davidson  FLSB 1750 ABS Softail Sport Glide 107  1746  2020  ALL  64 KW(87 PS)   
Harley Davidson  FLSL 1750 ABS Softail Slim 107  1746  2018  ALL  64 KW(87 PS)   
Harley Davidson  FLSL 1750 ABS Softail Slim 107  1746  2019  ALL  64 KW(87 PS)   
Harley Davidson  FLSL 1750 ABS Softail Slim 107  1746  2020  ALL  64 KW(87 PS)   
Harley Davidson  FLSL 1750 ABS Softail Slim 107  1746  2021  AMERICA  64 KW(86 PS)   
Harley Davidson  FLTRX 1750 ABS Road Glide 107  1750  2017  ALL  66 KW(90 PS)   
Harley Davidson  FLTRX 1750 Road Glide 107  1750  2017  AMERICA  66 KW(90 PS)   
Harley Davidson  FLTRX 1750 ABS Road Glide 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLTRX 1750 Road Glide 107  1746  2018  AMERICA  66 KW(90 PS)   
Harley Davidson  FLTRX 1750 ABS Road Glide 107  1746  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLTRX 1750 Road Glide 107  1746  2019  AMERICA  66 KW(90 PS)   
Harley Davidson  FLTRX 1750 ABS Road Glide 107  1746  2020  ALL  66 KW(90 PS)   
Harley Davidson  FLTRXS 1750 ABS Road Glide Special 107  1750  2017  ALL  66 KW(90 PS)   
Harley Davidson  FLTRXS 1750 ABS Road Glide Special 107  1746  2018  ALL  66 KW(90 PS)   
Harley Davidson  FLTRXS 1868 ABS Road Glide Special 114  1868  2019  ALL  66 KW(90 PS)   
Harley Davidson  FLTRXS 1868 ABS Road Glide Special 114  1868  2020  ALL  66 KW(90 PS)   
Harley Davidson  FXBB 1750 ABS Softail Street Bob 107  1746  2018  ALL  64 KW(87 PS)   
Harley Davidson  FXBB 1750 ABS Softail Street Bob 107  1746  2019  ALL  64 KW(87 PS)   
Harley Davidson  FXBB 1750 ABS Softail Street Bob 107  1746  2020  ALL  64 KW(87 PS)   
Harley Davidson  FXBR 1750 ABS Softail Breakout 107  1746  2018  ALL  64 KW(87 PS)   
Harley Davidson  FXBR 1750 ABS Softail Breakout 107  1746  2019  ALL  64 KW(87 PS)   
Harley Davidson  FXBR 1750 ABS Softail Breakout 107  1746  2020  ALL  64 KW(87 PS)   
Harley Davidson  FXBRS 1868 ABS Softail Breakout 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FXBRS 1868 ABS Softail Breakout Anniversary (ANX) 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FXBRS 1868 ABS Softail Breakout 114  1868  2019  ALL  69 KW(94 PS)   
Harley Davidson  FXBRS 1868 ABS Softail Breakout 114  1868  2020  ALL  69 KW(94 PS)   
Harley Davidson  FXDR 1868 ABS Softail King 114  1868  2019  ALL  67 KW(91 PS)   
Harley Davidson  FXDRS 1868 ABS Softail King 114  1868  2020  ALL  69 KW(94 PS)   
Harley Davidson  FXFB 1750 ABS Softail Fat Bob 107  1746  2018  ALL  64 KW(87 PS)   
Harley Davidson  FXFB 1750 ABS Softail Fat Bob 107  1746  2019  ALL  64 KW(87 PS)   
Harley Davidson  FXFBS 1868 ABS Softail Fat Bob 114  1868  2018  ALL  69 KW(94 PS)   
Harley Davidson  FXFBS 1868 ABS Softail Fat Bob 114  1868  2019  ALL  69 KW(94 PS)   
Harley Davidson  FXFBS 1868 ABS Softail Fat Bob 114  1868  2020  ALL  69 KW(94 PS)   
Harley Davidson  FXLR 1750 ABS Softail Low Rider 107  1746  2018  ALL  64 KW(87 PS)   
Harley Davidson  FXLR 1750 ABS Softail Low Rider 107  1746  2019  ALL  64 KW(87 PS)   
Harley Davidson  FXLR 1750 ABS Softail Low Rider 107  1746  2020  ALL  64 KW(87 PS)   
Harley Davidson  FXLRS 1868 ABS Softail Low Rider S 114  1868  2020  ALL  69 KW(94 PS)  
18-19 Softail, 17-19 Touring, except 17-19 FLHTK, 17-19 FLHTKL, 17-19 FLHTKSE, 17-19 FLHXSE, 17-18 FLTRU, 18 FLHTK ANV, 18 ANVFLHTKSE, 19 FLHTCU, Except Water Cooled Models
!