Speed Pro Hypers +.060 set of 8
Thread Starter
Joined: Dec 2005
Posts: 6,499
Likes: 31
From: Macon, GA
Car: 1992 Camaro RS
Engine: Vortec headed 355, xe262
Transmission: T56
Axle/Gears: 9-bolt 3.70
Speed Pro Hypers +.060 set of 8
h345np60 is the part number.
7 of them are used, 1 is new.
The reason I was going to use them was because they came out of the block Im using for my new motor, and they only had about 1500 miles on them.
The motor came apart because of a cylinder head crack, but it was assumed to be the block until the problem followed the heads. Either way, the block never got put back together, I ended up buying it, got the pistons with it, and I was going to re-use them.
Unfortunately, when removing the pistons from the rods during the tear down, one of the pistons broke, so I got a set of 7, bought a new one, same part number. Unfortunately the set of 7 were made in the USA pistons, the one I got was made in Italy. There are very subtle differences between them.
I decided not to use them because of it.
If anyone wants them, they're $30 shipped.
Comparison of new vs cleanest of the 7 I have.


Differences are subtle, if they dont matter to you, you've got a cheap set of pistons.
7 of them are used, 1 is new.
The reason I was going to use them was because they came out of the block Im using for my new motor, and they only had about 1500 miles on them.
The motor came apart because of a cylinder head crack, but it was assumed to be the block until the problem followed the heads. Either way, the block never got put back together, I ended up buying it, got the pistons with it, and I was going to re-use them.
Unfortunately, when removing the pistons from the rods during the tear down, one of the pistons broke, so I got a set of 7, bought a new one, same part number. Unfortunately the set of 7 were made in the USA pistons, the one I got was made in Italy. There are very subtle differences between them.
I decided not to use them because of it.
If anyone wants them, they're $30 shipped.
Comparison of new vs cleanest of the 7 I have.


Differences are subtle, if they dont matter to you, you've got a cheap set of pistons.
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