High Quality: This Rear Main Seal Kit is made of high grade rubber for excellent heat, oil and pressure resistance.
Replacement Part Number: 4519S.
Fitment: Designed for 1956-1963 Chevrolet GMC models with 235/261 CID engines, this rear main seal kit (Best Gasket 4519S) ensures perfect compatibility.
Simple Installation and Long Life: Innovative rubber design simplifies installation, saving time and labor costs compared to traditional rope seal. It stands up to harsh conditions and provides long-lasting protection against wear and oil seepage.