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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
now in SAE 10W-40 viscosity
2007-2010 GMC Sierra 2500 HD
is 4-3/8" in diameter
4 Barrel Air Boxes:
Crankshaft Flange Adapter Bolt
Powerhouse 4" Porting Mandrel PD700K now in SAE 10W-40 viscosity4 Inch Long Porting Mandrel This porting mandrel is 4" long with a 1" x 18" wide tip. Works with all Powerhouse cartridge rolls 1 4 Inch in Diameter. See our POW351510 Kit. Powerhouse produces an extensive line of tools designed for engine builders and tuners. Their product lineup includes specialty tools for everything from the cylinder head and valvetrain to the block and drivetrain. Powerhouse Products is your 1 stop source for automotive specialty
