ACL BMW 1.6/1.8/1.9L Z3 Engine Connecting Rod Bearing Set - 4B1490H-.50

• Series: ACL Race Series
• Bearing Type: Connecting rod bearing
• Shell Halves: Identical halves
• Bearing Material Code: F781
• Sizes Offered: STD, .025, .25, .50
• Housing Bore (Tunnel) Diameter: 48–48.016 mm (1.8898–1.8904 in)
• Journal Diameter (STD size): 44.975–44.991 mm (1.7707–1.7713 in)
• Vertical Oil Clearance (STD size): 0.029–0.077 mm (0.0011–0.003 in)
• Maximum Wall Thickness at Crown (STD size): 1.49 mm (0.0587 in)
• Bearing Width (max): 18 mm (0.709 in)

Engine Applications

• BMW M40B16 1596cc Inline4 SOHC 2v (bore 84 mm, stroke 72 mm)
• BMW M40B18 1796cc Inline4 SOHC 2v (bore 84 mm, stroke 81 mm) — BMW 318i E36
• BMW M42B18 1796cc Inline4 DOHC 4v (bore 84 mm, stroke 72 mm) — BMW 318is E30
• BMW M43B16 1596cc Inline4 SOHC 2v (bore 84 mm, stroke 72 mm) — BMW 316i E36
• BMW M43B18 1796cc Inline4 SOHC 2v (bore 84 mm, stroke 81 mm) — BMW 318i E36
• BMW M43B19 (TU) 1895cc Inline4 SOHC 2v (bore 85 mm, stroke 83.5 mm) — BMW 318i E46
• BMW M44B19 1895cc Inline4 DOHC 4v (bore 85 mm, stroke 83.5 mm) — BMW 318ti E36, BMW 318is E36