ACL Race main bearings are tri-metal engine bearings for high-performance applications, designed to withstand higher RPM conditions. Their construction combines high strength, reliable retention in the housing and improved heat transfer.
The set contains ACL Race Series main bearings. The design supports consistent clearances, the formation of hydrodynamic oil films and optimized oil flow to the rod bearings.
- High-strength overlay plate with reduced thickness for improved fatigue properties
- Increased crush for improved bearing retention in the housing
- Elimination of flash plating on the back for improved heat transfer and increased grip in the housing
- Increased eccentricity to compensate for bore distortion at high RPM
- 3/4-grooved main bearings to optimize load-carrying surface area and oil flow
Suitable for: Lexus GX II (J150), Toyota FJ Cruiser I (XJ10), Toyota Fortuner II (N5/N6), Toyota Hilux VII (N1/N2/N3), Toyota Land Cruiser Prado IV (J150), Toyota Land Cruiser I (J3) / III (J120) / J200 / J70 (HZJ7), Toyota Tacoma II (N280), Toyota Tundra I (UCK/UPK).
Engines: 1GR-FE. Please check your vehicle’s engine code (registration document or VIN) before ordering; if in doubt, contact us and we will check for you.
Sizes
STD is the standard size for an unground crankshaft. Undersizes (−0.25 mm, −0.50 mm …) are for a reground crank, and “+0.025 mm clearance” (X) is for highly stressed engines. Your machine shop chooses the size after measuring.
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