About the air gap, generally 0.3mm for 2-stroke ; 0.4mm for 4-stroke ; This part is 0.4mm. Compare size with your original one before placing order. Compare the spacing of bolt holes with your original part. If not same ,do not buy it please.We mark the size in pictures.
Compatible with Cub Cadet Mini Rider CC30 CC30H Walk-Behind Mower CC760 CC760ES CC800 Lawn Tractor RZT-L34 XT1-LT42 XT1-LT42C XT1-LT46 XT2-LX42
Compatible with Craftsman Lawn Mower LT4200 LT1500 R1000 RER1000 Lawn Tractor T1000 T1200; Compatible with Craftsman 15 900 LT
Note: This item is a replacement part. Not OEM part. Please make sure the images are the same with what you want. If not, please do not purchase it even your model is in the described list!