Reman Mercruiser 5.7L 350 Vortec Marine Longblock Engine Engine Block Part Number: 12589181

Part Number: 12589181

It features a VGT (Variable Geometry Turbo) actuator enhancing turbo efficiency and responsiveness for medium and heavy-duty vehicles

The GM 12636253 Connecting Rod is an OEM part designed for 2011-2016 GM 6

The GM 12686300 Right Exhaust Manifold is engineered for precision performance and durability in a variety of GM vehicles

It is an OEM part ensuring perfect compatibility and fit for GM vehicles including Chevrolet Silverado 1500 and GMC Sierra 1500 from 2014 to 2023

Reman Mercruiser 5.7L 350 Vortec Marine Longblock Engine Engine Block Part Number: 12589181This Reman Mercruiser 5. 7L 350 Vortec Marine Longblock Engine (Part No. 2143MSRI 4) delivers robust 330HP performance for inboard and sterndrive applications, expertly rebuilt to OEM specifications for superior reliability and corrosion resistance. Featuring precision machined cylinder heads, a forged steel crankshaft, hardened cam bearings, high capacity oil pump, and fresh gaskets throughout, this marine longblock engine restores peak power and