Valley Plate Assembly – SB2.2


  • Aluminum valley cover
  • Used with manifold runners P/N 12480096, P/N 88958617 and P/N 88958691
  • Has revised integral water passage for better coolant flow
  • AN -24 fitting for water outlet
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SKU: 88958659 Categories: ,

Valley Plate Assembly

P/N 88958659

Aluminum valley cover is used with manifold runners P/N 12480096, P/N 88958617 and P/N 88958691
– Does not incorporate an inspection cover, but has revised integral water passage for improved coolant flow from the front and rear of the cylinder heads
– Uses AN -24 fitting for water outlet; can use reducer for -20 fitting


Valley Plate Assembly

88958659 Chevrolet Intake Manifold Component


Intake manifolds distribute the air/fuel mixture to the appropriate cylinders. Intake manifold design is geared toward the end usage, whether that is a street performance engine or an all-out competition application. The wide range of Chevrolet Performance intake manifolds means there is an ideal manifold for your every need. There are cast-iron and aluminum intake manifolds for carbureted and fuel injected applications. Chevrolet Performance intake manifolds were designed specifically for GM engines, so you know they will deliver O.E. performance.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to