This durable black dipstick is ideal for checking engine oil levels on a variety Compatible with GM small-block engines. Its flexible design allows it to reach deep into tight engine compartments to obtain accurate readings. It's constructed with a PTFE-lined stainless steel braided housing that won't crack or break easily like cheap plastic dipsticks. Instructions for use: First push the dipstick into the original cylinder oil passage and seal it with the impeller. It is then fixed to the cylinder head with a swivel bracket. The measurement range makes it compatible with a variety of LS series engines, including 4.8L, 5.7L, 6.0L, and 6.2L, so you can use it in a variety of vehicles. It's an important maintenance tool that helps you keep an eye on important engine fluids and avoid potential damage caused by low oil levels. This oil dipstick is convenient and affordable for your many future oil changes.