KEITH BLACK PISTONS Std Flat Top Pistons with 10.0:1 Compression Ratio. Fits Twin Cam 2007-2017 with 103ci Engine & also Converts Twin Cam 2007-2017 96ci Engine to 103ci.

Description

Features & Benefits:-

* Bore = 3.875in.

* Stroke = 4.375in.

* Flat Top with slight hollow Dome.

* Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined.

* Best resistance to cracking in hi-comp performance applications.

* Require .001in. wider piston to wall clearance.

* Anti-Friction skirt coating.

* Complete kit includes: two pistons, rings, wrist pins and clips.

Tech Tips:-

* 10.0:1 Co