BUICK GRAN SPORT Autolite Spark Plugs

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Reach, Partial Projected, Resistor, Each

Part Number: ATL-25

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Monday 1/26/2026

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.375 in, Reach, Each

Part Number: ATL-85

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/26/2026

Spark Plug, XP Xtreme Performance, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Reach, Resistor, Each

Part Number: ATL-XP25

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/26/2026

Spark Plug, Single Platinum, Platinum, 14mm Thread, 0.374 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-AP85

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026