ATK Engines High Performance Short Block GM LS 408ci
059-SP39-G4-B
Items You Need
LS Gen III/IV
This short block is built for engines that are going to be running boost or nitrous. It has upgraded ARP main studs, rod bolts, and Total Seal piston ring package gapped accordingly for 10+ PSI. Block Information: Rotating Assembly: Recommended Components: Notes: ATK's Boost/Nitrous short blocks are meant for engines running these setups. Bearing clearances and ring gap have been taken into consideration for this series of short blocks.
Specifications:
In 2007, ATK launched a High Performance Division with one of the finest engine shops in the country. By reverse engineering all of their engines, they are able to eliminate any OEM deficiencies. This makes an ATK built crate engine have a superior design over the original engine by incorporating better components when needed. ATK short blocks will start any build with a solid foundation. GM short blocks are generally packaged as the engine block assembled with pistons, piston rings, and crankshaft installed.
JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.
Motor Vehicles
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Tools:
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.