In warehouse stock

S&S Cycle Power Pack — Oil Cooled — 550G — Wrinkle Black w/Highlight — Black Pushrod Tubes — 107" M8

S&S Cycle · #0904-0208 · Top End / Complete Engines & Rebuild Kits

Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required
4.32" bore cylinders with 11.0:1 compression ratio forged pistons
S&S oil pump/cam plate with blue anodized finish
Passage plugs are removable for servicing
Independent scavenge sections for flywheel cavity and cam chest

$3497.95

In stock. Ships in 2–4 business days · free shipping over $150.

Can’t ship to California.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

Description & features19 features

Has black pushrod covers, not chrome.

Big-bore bolt-on kit increases 107" M8 to 129" with no case machining required
4.32" bore cylinders with 11.0:1 compression ratio forged pistons
S&S oil pump/cam plate with blue anodized finish
Passage plugs are removable for servicing
Independent scavenge sections for flywheel cavity and cam chest
Debris screen in both scavenge pickups
Magnet in cam chest to help prevent debris from entering the oil pump
Increased oil flow capacity on both the oil feed and scavenge side
Adjustable pressure relief valve can be adjusted with the unit installed in the engine
Quickee pushrods
S&S premium tappets
S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
S&S 550 cams are designed for big bore applications
S&S valve springs work with cams up to 0.605" lift
High-performance conical single wire spring design
Made in the USA
Will fit VVT models.
Not for any Trike models.
Intake/rocker cover gaskets not included.

Specifications15 specs

Bore Size: 4.320"
Cooling System: Oil Cooled
Model: Performance Kit
Cam Drive Type: Gear
Color/Finish: Highlighted Fins, Wrinkle Black
Compression Ratio: 11.0:1
Features: Black Pushrod Tubes
Style: 550G
Displacement: 129"
Stroke Length: 4.375"
Units: Kit
Riding Style: Street
Shipping weight: 44.19 lb
Package size: 26.9 × 11.8 × 19.3 in
Country of origin: USA

Fitment22 models · Harley-Davidson

Harley-Davidson22 models

FLDE Deluxe 1072018–2020
FLFB Fat Boy 1072018–2020
FLFB Fat Boy 1172026
FLHC Heritage Classic 1072018–2021
FLHC Heritage Classic 1172025–2026
FLHR Road King2017–2022
FLHRC Road King Classic2017–2019
FLHX Street Glide2017–2026
FLHXS Street Glide Special2017–2023
FLSB Sport Glide 1072018–2021
FLSL Softail Slim 1072018–2021
FLTRX Road Glide2017–2026
FLTRXS Road Glide Special2017–2023
FXBB Street Bob 1072018–2020
FXBR Breakout 1072018–2019
FXBR Breakout 1172026
FXFB Fat Bob 1072018–2019
FXLR Low Rider 1072018–2020
FXST Softail Standard 1072020–2024
Softail Breakout FXBR2025
Softail Fat Boy FLFB2025
Street Glide EFI FLHX2025

Fitment comes from the distributor’s catalog. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 0904-0208
S&S Cycle part #: 310-1227D

Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

California: this part can’t ship to a California address.

Questions4 answers

Is it in stock?: Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: The distributor lists it for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine S&S Cycle?: Yes. It ships new from the same distributors the big online stores buy from — S&S Cycle part #310-1227D.