454 Sleeved Aluminum LS Long Block - Street/Strip Series Terminator X Precision Engineering: Machined to exacting

Precision Engineering: Machined to exacting tolerances for optimal performance

This is just a quick and simple way to add some protection when you have no other choice

ARP high performance cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs

Allows you to identify any critical engine issues at a glance

They are heat-treated prior to thread rolling and machining

454 Sleeved Aluminum LS Long Block - Street/Strip Series Terminator X Precision Engineering: Machined to exactingWe are extremely excited to offer you what we call the 454 Evolution. We have taken a 5. 3L aluminum block, installed Darton Sleeves and stretched the bore and stroke to make 454 cubic inches of Bowtie power for you. This package can be tailored with the right cam and induction to be the torque monster that you need for that work truck or play boat. You can also finish it off with some righteous after market heads and intake to bang on that 2+ HP per