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Review on Enhanced Performance: Proform 141-133 Center Bolt Valve Cover Bolt & Washer Kit for Optimal Engine Protection by Ryan Barton

Revainrating 1 out of 5

Terrible quality. Doesn't fit right. Extremely easy to break

Don't buy these screws. I have a 1991 Chevy K1500 350tbi and Revane said these bolts would fit. They looked like bolts from my old engine which is why I bought them. I had 3 cylinder head fractures and it wasn't due to over tightening. All three had room to dress and they all burst. Very easy to break. Now I have to drill out the broken screws and hopefully I can salvage the heads. They didn't fit and broke easily. Very unhappy with these. Terrible quality. I would give 0 stars if I could

Pros
  • Great price
Cons
  • Big and bulky