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BOOSTane Professional is formulated to increase octane levels up to 116
Long-term durability in high horsepower applications
CHEST WIDTH (inches) LENGTH (inches) S 20 27 M 21 28 L 23 29 XL 25 30 2XL 26 ½ 31 3XL 28 32
Gas Ported
which improves:
427 Sleeved Aluminum LS Long Block - Street/Strip Series LS EFI BOOSTane Professional is formulated toOur Street Strip Series 427 long block has all the ingredients to pack the punch your looking for. Our 427 LS combo is a proven performer and is a solid foundation for your ride. Plan to clear 800HP NA with the right cam and intake selection! This package is still dependable at the 1000HP mark if you want to put a little extra squeeze on it with your choice of power adder Build Specs: Seasoned GM 5. 3L Aluminum Block With Darton Sleeves 1600hp Extreme
