S&S 129″ Power Pack Chain Drive Oil Cooled Kit for 107″ Harley M8

Description

Product Description

Turn your stock 107″ into a monster of a 129″ with S&S Power Package for Harley M8 motors. Kit is designed to fit Chain Drive / Oil Cooled Milwaukee Eight models Only. Choose Cylinder finish and pushrod tubes. Requires S&S Cycle Head Bolts for M8, part number

Fits: Harley M8 Models (Oil Cooled)

Big Bore Kit:

• Available With or Without Fin Highlighting
• Bolt-On Kit — No Case Machining Required
• 4.320″ Bore
• Forged Pistons
• 11.1 Compression Ratio

Oil Pump/Cam Plate:

• Precision Machined from Billet Aluminum
• 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
• 44% Flow Increase on Supply Side & 58% Flow Increase on Scavenge Side
• Pressure Relief Valve is Adjustable with Unit Installed in Engine
• Kits Now Include Updated Oil Pump with Groove for Optional OEM Oil Seal

Pushrods:

• Quickee Pushrods
• Chrome or Black Pushrod Tubes Available

Tappets:

• Hand Assembled to Exacting Tolerances
• Reduced Valve Train Noise from Start Up to Shut Down
• Close Tolerances for Low Leak Down Rates
• Fast Pump Up and Superior High RPM Performance

Tappet Cuffs:

• Hard Anodized Black Coating
• Billet Aluminum Construction
• Improve Tappet Stability in High Lift & High RPM Situations

Cam:

• S&S 550 Cam- Designed for Big Bore Applications
• Chain Drive

Valve Springs:

• High Performance Conical Single Wire Spring
• Includes Top Collars, Keepers, & Valve Seals/Bottom Collars

Cam Chain Tensioner:

• Comes with Chain Drive Kits
• Precision Machined from Billet Aluminum
• Thicker Shoe for Longer Wear
• Direct Chain Oiling
• Larger Piston for More Consistent Pressure
• Tighter Tolerances Improves Stability

Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.

DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.

Fitment

2022-2023	Harley-Davidson	Road Glide ST FLTRXST	–	–
2022-2023	Harley-Davidson	Softail Low Rider ST FXLRST	–	–
2022-2023	Harley-Davidson	Street Glide ST FLHXST	–	–
2021	Harley-Davidson	Electra Glide Revival	–	–
2020-2023	Harley-Davidson	Softail Standard FXST	–	–
2020-2023	Harley-Davidson	Softail Low Rider S FXLRS	–	–
2019-2022	Harley-Davidson	Electra Glide Standard EFI FLHTI	–	–
2019-2020	Harley-Davidson	FXDR 114	–	–
2018-2023	Harley-Davidson	Softail Fat Bob 114 FXFBS	–	–
2018-2023	Harley-Davidson	Softail Street Bob FXBB	–	–
2018-2023	Harley-Davidson	Softail Fat Boy 114 FLFBS	–	–
2018-2023	Harley-Davidson	Softail Heritage Classic 114 FLHCS	–	–
2018-2022	Harley-Davidson	CVO Road Glide Custom FLTRXSE	–	–
2018-2021	Harley-Davidson	Softail Heritage Classic FLHC	–	–
2018-2021	Harley-Davidson	Softail Slim FLSL	–	–
2018-2021	Harley-Davidson	Softail Sport Glide FLSB	–	–
2018-2020	Harley-Davidson	Softail Breakout 114 FXBRS	–	–
2018-2020	Harley-Davidson	Softail Deluxe FLDE	–	–
2018-2020	Harley-Davidson	Softail Low Rider FXLR	–	–
2018-2019, 2023	Harley-Davidson	Softail Breakout FXBR	–	–
2018-2019	Harley-Davidson	Softail Fat Bob FXFB	–	–
2018-2019	Harley-Davidson	Softail Fat Boy FLFB	–	–
2017-2023	Harley-Davidson	Street Glide Special FLHXS	–	–
2017-2023	Harley-Davidson	Road Glide Special FLTRXS	–	–
2017-2023	Harley-Davidson	Road King Special FLHRXS	–	–
2017-2023	Harley-Davidson	Street Glide EFI FLHX	–	–
2017-2023	Harley-Davidson	Road Glide Custom FLTRX	–	–
2017-2022	Harley-Davidson	Road King EFI FLHR	–	–
2017-2022	Harley-Davidson	CVO Street Glide FLHXSE	–	–
2017-2021	Harley-Davidson	Electra Glide Police FLHTPI	–	–
2017-2019	Harley-Davidson	Road Glide Ultra FLTRU	–	–
2017-2019	Harley-Davidson	Electra Glide Ultra Classic EFI FLHTCUI	–	–

Additional Information

Black w/ Highlight – Chrome Pushrods	310-1223
Black w/ Highlight – Black Pushrods	310-1225
Black w/o Hightlight – Black Pushrods	310-1226

Emissions Notice Fitment