ProTru by Wiseco Windsor Flat Top Forged Piston and Ring Kit - 4.030 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 7.00 cc - Small Block Ford PTS501A3 411995 Earl's #4 to 10mm x

Earl's #4 to 10mm x 1

Forged 4340 steel H-Beam lightweight connecting rods are forged from a two-piece forging and feature a fully machined and shot-peened surface

7/16-14 in Stud

Simply adjust the screw inside the vacuum nipple for more or less diaphragm pre-load

ProTru by Wiseco Windsor Flat Top Forged Piston and Ring Kit - 4.030 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 7.00 cc - Small Block Ford PTS501A3 411995 Earl's #4 to 10mm xFord Small Block WindsorWiseco 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 Windsor Flat Top Forged 4. 030 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus