GM Performance 10105123 - GM Performance Parts Bare Blocks
GM Performance #809-10105123350 Cubic Inch Bare Block |
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$119.00
GM Performance 10105123 - GM Performance Parts Bare Blocks Details
This engine block is used in 1986-99 Gen I heavy-duty applications. It has 4.00" diameter cylinder bores and four-bolt main bearing caps. This block is machined for a one-piece rear crankshaft seal. (Does not include rear seal or adaptor.) These blocks weigh 181lbs. Technical Notes: Cylinder wall thickness is the same as current production engines. The lifter valley is machined for hydraulic roller and flat tappets. Crankshafts with two-piece seals can be installed with adapter P/N 10051118.
The GM Performance Parts blocks are the right choice for street car rebuilds or to start your own mild engine project. They come in the same dimensions that you are already familiar with and are produced to the high level of quality that GM is famous for. Remember, these are brand new castings that are machined to our exacting tolerances and delivered to you at an affordable price. These blocks are designed for street engines that demand good strength and a high level of durability.
