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Review on πŸš€ Pioneer PF-580-4 Cylinder Head Insert (4pk) Ford 77-97 - Enhanced Performance & Durability for Your Ford Engine by Mike Campbell

Revainrating 4 out of 5

Used on 1995 F150 5.0

later Used on 1995 F150 302 5.0 for plugging smoke vents. Worked great had to spend some time cleaning the head of carbon build up but they fit perfectly.

Pros
  • Steel
Cons
  • I'll write