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Edelbrock Bolt Kit Cylinder Head Buick

SKU: EDE8503

Cylinder Head Fasteners

EDE Head Bolt Kit...

Edelbrock Bolt Kit Cylinder Head Buick

SKU: EDE8503

Cylinder Head Fasteners

EDE Head Bolt Kit...

A$403.41
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Edelbrock Bolt Kit Cylinder Head Buick

The Edelbrock #8503 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate the need for valve train removal to facilitate cylinder head re-torqueing. Hardened and parallel-ground washers are included. Rated at 170,000 p.s.i.

Additional Information

Edelbrock #8503 is a Cylinder Head Bolt Kit for 1967-76 Buick 400-455 V8 Engines with Edelbrock #60037, 60039, & 60049 Performer RPM Cylinder Heads.

Application Summary

Buick:Big-Block:400 (6.6L)/430 (7.0L)/455 (7.5L)

Part Type

Engine Cylinder Head Bolt Set

Additional Application Notes
• Incl. Washers; For Use w/Cylinder Head PN[60039/60049]
• Incl. Washers; For Use w/Cylinder Head PN[60039/60049] Incl. Washers For Use w/Cylinder Head PN[60039/60049]

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 00:21:21

Data: v4.2 - Upd: 2026-11-08 08:21:27

Features

  • Manufactured By ARP

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Cylinder Head Bolt Kit
Engine Make/Size:Buick 400-455
Finish:Black Oxide
Grade Type:Performance
Head Drive Type:Hex
Length:(4) 2.25 in, (4) 4.00 in, (12) 4.25
Material:Chromoly
Minimum Length:2.25
Part Number:ede8503
Quantity:Kit
Thread Diameter:0.50
Thread Type:Coarse
Washers Included:Yes

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Edelbrock
StreetFX SKU ede8503
SFX Item ID 4236405
Accounting SKU ede-8503
Manufacturer SKU 8503
Manufacturer UPC 85347085033
Alternative References EDL-8503

Cylinder Head Bolts, Hex Head, Washers, for Use On Edelbrock Performer RPM Heads, Buick, 6.6L, 7.0L, 7.5L, Kit

Manufactured by ARP, Edelbrock head bolt kits contain a complete set of the highest quality head bolts and hardened washers available. They are cold-formed to ensure molecular integrity and heat-treated prior to thread rolling and machining. Reduced-diameter bolt heads eliminate the need for valvetrain removal to facilitate cylinder head re-torquing. Hardened and parallel-ground washers are included, and they're rated at 170,000 psi.

Product Attributes
BrandEdelbrock
Manufacturer's Part Number8503
Part TypeCylinder Head Fasteners
Product LineEdelbrock Head Bolt Kits
UPC085347085033
Fastener StyleBolt
Undercut StudNo
Head StyleHex
Fastener MaterialChromoly
Fastener ColorBlack
Washers IncludedYes
Washer StyleFlat
QuantitySold as a kit.

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