2005 Buick Park Avenue Lug Nut Size

Quick specs

Thread
M12×1.5, 1/2"-20 UNF
Torque
81 lb-ft (110 Nm)
Fastener
Lug nuts
Number of lugs
5
Bolt pattern
5×115
Center bore
70.3 mm

By configuration

ConfigurationThreadTorqueFastenerLugsBolt patternCenter bore
3.8SC · 3.8L, L67, V6, Petrol1/2" - 20 UNF81 lb-ft (110 Nm)Lug nuts55x11570.3 mm

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More specs for the 2005 Buick Park Avenue

Thread, torque and fastener type come from the OEM catalog. Seat type and socket size are not listed for this vehicle, so lug nuts that match the thread still need a seat-type check.