3D-Printed LS Engine Striped Bolt Repair Guide with Time-Sert Or Big-Sert Installation

Fix a stripped bolt hole on your LS engine valve cover with precision using this 3D-printable guide. Designed for accuracy, it ensures perfect drilling and seamless Time_Sert OR Big-Sert insert installation to stop valve cover leaks. 4 Prints to choose form 2 for Time-Sert 2 for Big-SertLeft and Right of the head. most printers can't handle that big of a print.You will need two M6X1.00 by 40mm (McMaster's 95735A241)Tested it with 5.3L and 6.2L