Inter Rocker Shaft Bracket with Corrosion-resistant Coating for Isuzu 4HF1 4HG1T - High-strength Cast Iron / Steel OEM Direct Replacement

Premium-quality direct replacement valvetrain components designed for Isuzu 4HF1 and 4HG1T diesel engines.

Function: Supports the rocker arm shaft assembly between cylinder head pedestals, ensuring proper alignment and rigidity for valvetrain operation. Reduces vibration and prevents shaft deflection.

• OE Quality: Manufactured to Isuzu dimensional and material specifications
• Rigid Construction: Resists flexing under high spring loads
• Precision Machined: Accurate shaft bore and bolt hole alignment
• Corrosion Resistant: Coated to resist rust and oil degradation
• Restores Valvetrain Stability: Eliminates shaft deflection, reducing noise and wear
• Direct Replacement: Simple bolt-on installation using original hardware
• Sold as a Set: Both brackets included for complete replacement
• Cost-Effective: Affordable alternative to genuine OEM brackets

Isuzu Truck Models:

• ISUZU NKR (NKR55, NKR57, NKR59, NKR71 with 4HF1/4HG1T)
• ISUZU NPR (NPR59, NPR66, NPR70, NPR71, NPR75 with 4HF1/4HG1T)

Engine Specifications:

Installation steps (overview):

1. Remove valve cover and rocker arm shaft assembly
2. Remove the old inter rocker shaft brackets from the cylinder head
3. Clean the cylinder head mounting surface and bolt holes
4. Compare new brackets with old - verify orientation and position
5. Apply thread locker to bolts (if specified)
6. Position the new brackets and hand-tighten bolts
7. Install the rocker arm shaft assembly and torque bracket bolts in sequence to specification (typically 25-35 Nm)
8. Reinstall rocker arms, adjust valve lash
9. Install new valve cover gasket and reassemble
10. Start engine and check for abnormal noise

• Material Verification: Casting alloy composition and strength tested
• Dimensional Inspection: Shaft bore diameter, bolt hole spacing, and height verified against OE blueprints
• Hardness Testing: Within specified range
• Visual Inspection: 100% checked for casting defects, cracks, or machining errors
• Packaged Safely: Wrapped in protective plastic, boxed as a set with foam

• Neutral export packing or customized packaging available
• Carton or wooden case for safe transportation
• Fast delivery for stock items
• Shipping by Express Air or Sea

For pricing, availability, or bulk purchase of the Inter Rocker Shaft Bracket 8-97174566-0 / 8-97174568-0 For Isuzu 4HF1 4HG1T, please contact our sales team for a competitive quote and expert technical support.