S&S Cycle MK136 Engine — 550G Camshaft — Oil Cooled — M8 Softail

In stock

S&S Cycle MK136 Engine — 550G Camshaft — Oil Cooled — M8 Softail

S&S Cycle · #0901-0266 · Complete Engines & Rebuild Kits / Engine

Massive 136 cubic inch complete crate engine built on premium MKB-Series crankcases
Cylinder Heads:
High-flow cylinder heads with premium seats, guides, valves, springs, and seals
+1.00 mm oversized intake and exhaust valves
Valves are 0.030" longer than stock for improved valvetrain geometry

$12499.95

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

Can’t ship to California.

Ships by ground only — no air or expedited shipping on this one.

Questions? Call the shop: 801-361-3010

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

Shop all S&S Cycle
Everything we carry from S&S Cycle →

Description & features23 features

Race-Only: Factory equipped with a higher-lift 550G gear-drive cam. It is strictly for closed-course competition use.

Massive 136 cubic inch complete crate engine built on premium MKB-Series crankcases
Cylinder Heads:
High-flow cylinder heads with premium seats, guides, valves, springs, and seals
+1.00 mm oversized intake and exhaust valves
Valves are 0.030" longer than stock for improved valvetrain geometry
0.605" max lift valve springs
High-strength alloy used in cylinder head casting, and provides improved strength at high temperatures
S&S exclusive breather boxes
Crankcase:
Patented dual-spray piston cooling jets
Precision machined oil scraper
Enlarged oil sump
Contoured floor allows oil to easily drain back to the sump
MK136B:
Forged pistons
S&S performance oil pump and cam support plate
Premium tappets and tappet cuffs
Billet aluminum covers
Sprocket shaft spacer included
Champion spark plugs
Retains stock engine height
Includes cam cover badge
Made in the USA

Specifications10 specs

Features: 550G Camshaft
Riding Style: Street
Units: Each
Cooling System: Oil Cooled
Displacement: 136"
Color/Finish: Powder Coat, Black
Model: MK136
Shipping weight: 182 lb
Package size: 20 × 25 × 26 in
Country of origin: USA

Fitment22 models · Harley-Davidson

Harley-Davidson22 models

FLDE Deluxe 1072018–2020
FLFB Fat Boy 1072018–2019
FLFBS Fat Boy 1142018–2024
FLHC Heritage Classic 1072018–2021
FLHCS Heritage Classic 1142018–2024
FLSB Sport Glide 1072018–2021
FLSL Softail Slim 1072018–2021
FXBB Street Bob 1072018–2020
FXBBS Street Bob 1142021–2024
FXBR Breakout 1072018–2019
FXBR Breakout 1172023–2024
FXBRS Breakout 1142018–2020
FXDRS FXDR 1142019–2020
FXFB Fat Bob 1072018–2019
FXFBS Fat Bob 1142018–2023
FXLR Low Rider 1072018–2020
FXLRS Low Rider S 1142020–2021
FXLRS Low Rider S 1172022–2024
FXLRST Low Rider ST 1172022–2024
FXRST Low Rider El Diablo 1172022
FXST Softail Standard 1072020–2024
Softail Street Bob FXBB2022

Fitment comes from the catalog data for this part. 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 #: 0901-0266
S&S Cycle part #: 310-1295

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

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

Ground only: no air or expedited shipping on this part.

Questions4 answers

Is it in stock?: Yes — it’s in stock 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?: It’s listed 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’s new and genuine, straight from Salto — S&S Cycle part #310-1295.