ACL 0.25mm Oversized Race Series Rod Bearings Mitsubishi 4G63/4G64 6 Bolt | 4B1146H-.25

Fitment Information:

6-Bolt 4G63 1G DSM
1990-1992.5 Eclipse GST/GSX
1990-1992.5 Talon TSi
1990-1992.5 Laser RS
1991-1992.5 Galant VR4

Features:

• .25mm / .010" Oversize
• Rod Bearings
• Designed to withstand higher RPM ranges
• Increased eccentricity to increase improve shape adaptation to compensate for bore distortion at high speed operation

ACL Race Series performance engine bearings are manufactured to exacting tolerances. Micron tolerance machining supported by precision measurement systems delivers consistent accuracy to key characteristics like wall thickness and crush. This ensures reliable fit and helps maintain consistent clearances.