![Pontiac 326 350 389 400 428 455 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] These replacement valve seats are](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/1-147-073.jpg?v=1785405975)
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
These replacement valve seats are just like the originals
The anchor area on these bands is extra thick
and other horizontal surfaces
These camshafts are precision-ground from race-quality cores
Pontiac 326 350 389 400 428 455 MID-AIR™ MidRise Aluminum Intake Manifold [Satin] These replacement valve seats areThis is an outstanding manifold for high performance street Pontiac engines. Unlike similar competitive manifolds, the MidRise Air from Speedmaster allows unlimited ambient air flow under the plenum and around the runners which helps create a cooler incoming air fuel charge which produces additional power..
US$ 1450.24
US$ 73.81
