Engine Parts Piston Ring Kit designed to fit 2.0 L LTG engines.Compatible with Terrain (2018–2020), Equinox (2018–2020), Regal (2014–2020), ATS (2013–2019), XT5 (2016–2020).Fits part numbers 12652809, 12569638, 89018107, 12683808, and 19180831. Piston dimensions: Cylinder bore diameter 86 mm, overall length 54 mm, compression height 32 mm, bolt length 58 mm, bolt diameter 24 mm. Ring set includes: top ring 86 × 1.20 mm, second ring 86 × 1.50 mm, oil ring 86 × 2.00 mm. This is an oversize piston ring kit intended for engine rebuild, repair, or maintenance.Designed to match specifications for fit and function.Verify compatibility using your vehicle's VIN or chassis number before purchase.