Crankshaft bearings (repair rib: 0.001") Standard ACL for Chevrolet / Holden / HSV

Crankshaft bearings (repair rib: 0.001") Standard ACL for Chevrolet / Holden / HSV

ACL Trimetal bearings (hardened steel + copper + nickel) are designed for racing use. They reduce friction, improve operating temperatures and optimise oiling.

The ACL-8B663HX-STD model is specially designed for Chevrolet, Holden and HSV engines, offering perfect tolerance for precise connecting rod adjustment.

These bearings are available in a ‘rib repair’ version with an additional thickness of 0.001’ or 0.025 mm

Specifications :

Part number: ACL-8B663HX-STD

Tolerance: Standard size (STD) / ‘repair rib’ additional thickness of 0.001’ / 0.025 mm

Material: Tri-metal alloy (copper, lead, tin)

Recommended use: Motorsport, competition, engine preparation

Advantages : Increased abrasion resistance, optimum heat dissipation, precise fit

Dimensions :

Maximum overall length: 21.25mm

Maximum axle size: 53.34mm

Maximum tunnel size: 56.52mm

Max vertical oil clearance: 0.077mm

Max wall to crown: 1.572mm

Minimum axle size: 53.315mm

Minimum tunnel size: 56.507mm

Minimum vertical oil clearance: 0.023mm

Engine compatibility:

262 V8 / 265ci L99 / 267 / 4.8L Gen III LR4 / 4.8L Gen IV LY2 / 302ci Large Pin / 305 / 307 / 5.3L Gen III / 327ci Large Pin / 5.7L Gen III LS1 / 5.7L Gen III LS6 / 350 / 350 Vortec / 6.0L Gen IV LFA / 6. 0L Gen IV LS2 / 6.0L Gen III Vortec / 6.2L Gen IV L99 / 6.2L Gen IV LS3 / 6.2L Gen IV LS9 / 6.2L Gen IV LSA / 6.2L Gen IV Vortec / 400 Small Block / 7.0L Gen IV LS7 / 355 Stroker / 6.0L Gen IV L76 / 6.0L Gen IV L98