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Edelbrock

Edelbrock Cyl Head Components

$221.62

SKU: E003 8558

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Special Order
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Description

The Edelbrock #8558 is a head bolt kit for 1965-76 Oldsmobile 400-425-455 engines. This kit includes a complete set of head bolts and hardened washers for a pair of heads. The bolts are cold-formed and heat-treated for molecular integrity, with reduced diameter bolt heads to allow for cylinder head re-torquing without valve train removal. Hardened and parallel-ground washers are included, and the bolts are rated at 170,000 psi.

Fitment

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Specifications

BrandEdelbrock
Part NumberE003 8558

Videos

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No Guesswork: The Edelbrock Total Power Package System
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Edelbrock Vs Holley -Which Is The Superior Carb For Cruisers, Mild Performance And Daily Driver Cars

Buy with Confidence

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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