The ATK Chrysler 408 Mag Short Block 20.5cc is designed for high horsepower engine applications. This hand-built and balanced unit is assembled with cast iron engine block, forged internally balanced crankshaft, forged connecting rods, and forged dished pistons for extremely tough use.
Camshaft Bearings: Installed & Clocked to OEM Position
Freeze Plugs: Brass Installed & Sealed
Oil Galley Plugs: Installed & Sealed
Weight:285
Every great build needs a solid foundation! For that reason, we take the hard work out of the picture by selling short blocks that are ready for you to complete yourself. Our GM Short Blocks are most commonly packaged as the engine block assembled with Pistons, Piston Rings and Crankshaft installed.
ATK specializes in muscle. With the highest quality internal parts and Dyno Proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty.
Don't forget the engine paint!
In the Box
Guides & Accessories
Reviews
bvseo_sdk, p_sdk, 3.2.1
CLOUD, getReviews, 4.92ms
REVIEWS, PRODUCT
bvseo-msg: HTTP status code of 404 was returned; HTTP status code of 404 was returned;
Questions & Answers
Is oil been restricted so want burn out bearings built one kept eating bearings
Asked by: David 408
We apologize for the confusion and inconvenience. We would have to advise you to speak directly to the manufacturer as these items drop ship. They can be reached by calling 866-721-2315.
Answered by: Kelly H
Date published: 2021-08-13
This is a pre-89 LA block right? I see mag in the title...
Asked by: Chuck
The one in the picture has the shaft rocker oiling hole in the deck.