FEL-PRO ES 72390 Head Bolt Set (2-pack) vs FEL-PRO ES 72856 Head Bolt Set (Pack of 2)
Overall winner: FEL-PRO ES 72856 Head Bolt Set (Pack of 2)
Key Differences
Product A (ES 72856) is the more affordable Fel‑Pro head bolt set and includes sealant on the threads so a separate sealant isn't required. Product B (ES 72390) is a higher-priced, validated fit/form/function set but has more reports of difficulty achieving torque spec; both share mixed feedback on bolt strength
FEL-PRO ES 72390 Head Bolt Set (2-pack)
Engine head bolt set designed to meet OEM specs and provide a proper fit. Validators ensure fit, form, and function for cylinder head applications. Customers note OEM quality and value, with mixed feedback on strength and fit
Pros
- meets or exceeds original equipment specifications
- application-specific design for proper fit
- validated for fit, form, and function
- OEM-quality perception and value
Cons
- mixed feedback on bolt strength
- some reports of difficulty torquing to spec
- reports of warped bolts
FEL-PRO ES 72856 Head Bolt Set (Pack of 2)
Head bolt set designed to meet OE specifications with application-specific fit and sealant on threads. Customers note good quality, proper fit, and torque validation, with some concern about bolt strength
Pros
- meets or exceeds original equipment specifications
- application-specific design for a perfect fit
- sealant on threads eliminates need for separate sealant
- validated for fit, form, and function
Cons
- mixed feedback on bolt strength in some cases
- some reports of bolts breaking in the block
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Fel-Pro |
| Durability | Tie |
| Versatility | Fel-Pro |
| User Reviews | Fel-Pro |