ProTru by Wiseco 23 Degree Flat Top Piston Forged 4.165" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc 91609179 Bearings / Crush Sleeve /

Bearings / Crush Sleeve / RTV / Seal / Pinion Nut / Thread Locker

1973-1981 Buick Electra

12 AN Hose to 7/8 in NPT Male O-Ring

Designed to drop right into your existing 12 bolt flange fuel cell

2001-2009 Workhorse W20

ProTru by Wiseco 23 Degree Flat Top Piston Forged 4.165" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 7.0 cc 91609179 Bearings / Crush Sleeve /Chevrolet Small Block 400Wiseco Pro Tru is a division of Wiseco specializing pistons and piston rings for price conscious engine builders. They offer complete kits to fit a wide range of engines. Manufactured by Wiseco Performance Products, ProTru Forged Pistons are affordable with features usually found only in more expensive pistons. Product Description: Piston and Ring 23 Degree Flat Top Forged 4. 165 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves