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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
Seasoned GM Aluminum 5
3 in your ride
Maintain consistent boost performance
408 LS combo is a proven performer and is a solid foundation for your ride
383 LS Short Block - Street/Strip Series Aluminum 5.3 Seasoned GM Aluminum 5Our Street Strip Series 383 long block is not to be confused with the ole, ever popular 383s of the past. This modernized 383 will blow the minds of some old timers that like to reminisce about the old days and their mouse motor strokers. We take a standard 5. 3 truck motor and transform it into a very capable package. Whether you want the fastest Silverado in your neck of the woods or looking to power that muscle car undertaking an LS swap, this is a
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