Short Block Assemblies

Delkrons Short Block Assemblies feature our Fatso case with crank assembly installed. Currently available with 4.250 stroke which yields 95" with 3.750" bore or 100" with 3.875" bore.

Technical Specs
QS-9000 Certified A356-T6 castings with standard American fasteners, 4140 steel insert on pinion and Timken sides, machined to exact tolerances. Flywheels assembled, balanced and installed in case. Pinion race installed and line lapped to standard size. Main bearings and cam bearing installed. Cylinder studs and Chrome Timing Plug included. Main seal and spacer installed. Available in Natural or Black Finish.

Note: Flywheel assembly balanced to or our Ross Racing Pistons or Screamin Eagle 3.875” Pistons. If using stock twin cam heads, the push rod holes need to be relocated. We provide this service for our customers for an additional fee .

For optimum performance purchase Delkron’s complete FATSO top end kit (sold separately).

Available Finishes
Black	Natural

Links (PDF Format)

Download Notices

Delkron Short Block Assemblies

ITEM #	SIZE	FINISH	PRICE	QTY
D1400	100"	Natural	$2,236.14
D1402	100"	Black	$2,278.01



Fatso Top End Kit	Billet Rocker Arm Supports	Gear Covers

©2009 Delkron, Inc. | All rights reserved. | EVOLUTION, EVO, DYNA WIDE GLIDE, SPORTSTER, SOFTAIL, BUELL, FXST, FLH, TWIN CAM 88 and Hogs are registered trademarks of Harley-Davidson Motorcycle Co. Delkron, Inc. is not affiliated with Harley-Davidson Motorcycle Co. in any manner. Harley-Davidson Motorcycle Co. does not sponsor or endorse any of Delkron's products or services.

All Delkron products are proudly made in the U.S.A.

Delkron Manufacturing | 560 Solon Road | Bedford, Ohio 44146 | Site Map