S&S Cycle 2018+ Oil Cooled M8 Softail Models MK136B Black Edition Engine w/ 475G Cam

SKU: SSC310-1296

SSC Engines...

S&S Cycle 2018+ Oil Cooled M8 Softail Models MK136B Black Edition Engine w/ 475G Cam

SKU: SSC310-1296

SSC Engines...

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Description

Introducing the next generation of Proven Performance for your 2018-2024 H-D® Softail® Models, the MK136B Engine . This is the newest version of the complete crate engines S&S is known for, ready to install in your M8 Softail. S&S took the MKB-Series Crankcases, married them to the 136" cylinders and flywheels, and then fit High-flow cylinder heads with +1mm Valves and .605" springs. This is everything you need to have the largest, most powerful, and most reliable crate engine on the market today.

Data: v4.2 - Upd: 2026-09-30 14:03:38

Features

.605" max lift valve springs
1mm oversized intake and exhaust valves
All premium quality components
Billet aluminum covers
High-flow cylinder heads with premium seats, guides, valves, springs, and seals
High-strength alloy used in cylinder head casting, improved strength at high temperatures
Sprocket shaft spacer included
Valves are .030" longer than stock for improved valvetrain geometry

Specifications

Reference Information

Brand Name/s	S&s Cycle
StreetFX SKU	ssc310-1296
SFX Item ID	5437260
Supplier Item Code	5437260
Manufacturer SKU	310-1296
Manufacturer UPC	N/A
Alternative References	MK136B, 475G