S&S Cycle Cylinder Heads — Harley-Davidson Dyna Wide Glide, Dyna Low Rider, Dyna Super Glide (1983-2020)

S&S Cycle Super Stock high-performance cylinder heads designed for S&S T-Series T2 long block engines in 2007-2016 Harley big twins. Fitted with 2.000" intake and 1.605" exhaust valves paired with S&S ported passages to maximize airflow into large-displacement motors.

Features

• 2.000" intake and 1.605" exhaust valves
• S&S-ported intake and exhaust passages
• Silver powder coat finish
• Not drilled for S&S compression releases
• Requires custom manifold and throttle body

Specifications

• Brand: S&S Cycle
• Manufacturer Part #: 900-0344
• Weight: 1 lb
• Category: Engine Components / Heads

Fitment

Fits S&S T-Series T2 long block engines for 2007-2016 Harley-Davidson big twins, and 2007-2016 engines with S&S 4-1/4" bore Hot Set Up Kit installed.

Frequently Asked Questions

Do these heads fit stock Harley big twin engines?

No — these are designed exclusively for S&S T-Series T2 long block engines and require the S&S 4-1/4" bore Hot Set Up Kit on 2007-2016 big twins.

Will I need a new manifold and throttle body?

Yes — the manifold mounting surface is machined to S&S specifications. A custom S&S manifold and throttle body are required.

Are these drilled for compression releases?

No — these heads are not machined for S&S compression release hardware.

What valve sizes do these use?

2.000" intake valves and 1.605" exhaust valves, paired with S&S ported passages for optimal flow.