

MINI Gen 2 Large Guide Rail Top Bolt
This genuine-spec Large Guide Rail Top Bolt is designed specifically for MINI Gen 2 petrol engines, securing the upper timing chain guide rail in place. Precision-machined for proper thread engagement and torque retention, it's a must-have when rebuilding or refreshing your timing assembly.
Key Features:
-
Fits MINI Gen 2 petrol engines (R55, R56, R57, R58, R59, R60, R61)
-
High-tensile steel for strength under thermal load
-
Designed for timing chain guide rail (top)
-
Direct replacement – OE spec thread and dimensions
-
Recommended for use with new guide rail installation
Ideal For:
-
Timing chain service kits
-
Engine rebuilds or upgrades
-
Replacing worn, stretched, or corroded bolts
Always use fresh bolts when installing timing chain components to ensure long-term reliability and correct tensioning.
Original: $27.43
-65%$27.43
$9.60Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This genuine-spec Large Guide Rail Top Bolt is designed specifically for MINI Gen 2 petrol engines, securing the upper timing chain guide rail in place. Precision-machined for proper thread engagement and torque retention, it's a must-have when rebuilding or refreshing your timing assembly.
Key Features:
-
Fits MINI Gen 2 petrol engines (R55, R56, R57, R58, R59, R60, R61)
-
High-tensile steel for strength under thermal load
-
Designed for timing chain guide rail (top)
-
Direct replacement – OE spec thread and dimensions
-
Recommended for use with new guide rail installation
Ideal For:
-
Timing chain service kits
-
Engine rebuilds or upgrades
-
Replacing worn, stretched, or corroded bolts
Always use fresh bolts when installing timing chain components to ensure long-term reliability and correct tensioning.














