Description
Str Ultra w/billet blk Chevy 139T 10 Pitch Flyw (Same OD as 168T) Chrome100 percent new design. 2.5 KW and 3.4 horsepower. Cranking power for over 18 to 1 compression. Machined aluminum adjustable block. Water and corrosion resistant. Patented design. Indexible feature for clearance. Great for big cubic inch motors.
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