Oldsmobile

LowRise Intake Manifold for 400/425/455

$436.05

SKU: 1-147-099

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The Speedmaster 1-147-099 is an aluminum intake manifold engineered for Oldsmobile 400, 425, and 455 cubic inch engines with a stock/OEM standard deck block. Constructed from aluminum, this intake manifold features a matching plenum and runner design. This ensures even air and fuel distribution, crucial for optimal engine performance. The manifold's low-profile design can be beneficial in applications with limited hood clearance. This intake manifold is specifically designed for Oldsmobile 400, 425, and 455ci engines.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandOldsmobile
Part Number1-147-099
CategoryAir and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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