Topic: valve seats in a 103 engine (Read 1903 times)

RK2000 · « **on:** July 02, 2009, 05:18:45 PM »

What is the difference between the 18048-98 seats and the 18048-98a seats? Will they interchange?

HD Street Performance · « **Reply #1 on:** July 02, 2009, 08:24:22 PM »

Generally a letter on the end of the number indicates a revision, likely material.
Consider using an OS seat as the original bore and a standard seat will likely not have enough press.

Author Topic: valve seats in a 103 engine (Read 1903 times)

RK2000

valve seats in a 103 engine

HD Street Performance

Re: valve seats in a 103 engine