I purchased this as a replacement for the current flywheel I had on my N.E. Stang. My model year is kind of tricky to purchase for since there is either an 8-bolt or 6-bolt crankshaft. Thanks to JEGS, they helped me choose the right kit and saved me A LOT of time. Installation was a breeze after getting the transmission out (we wont get into the difficulty of removing the tranny...). Everything bolted right up with out any issues. I thought that the holes were drilled wrong at first on the flywheel but, I just had to rotate it and everything lined up perfectly, big relief. This flywheel was paired with the McLeod Super Street Pro clutch and I tell you what, the engagements on my pony with the TR-3650 are so much smoother than ever before, the streetablility of this combo is an understatement. It's smoother than stock in my opinion. After the 500 mile break in period, I really started to lay some power down. I immediately noticed a much fast revving engine and faster grabs when letting the clutch out. This is a very high quality product for the price. I would recommend this to anyone looking for a flywheel upgrade.