Edelbrock Olds Head Bolt Kit

SKU: EDE8558

Engine Cylinder Head Bolt Set

EDE Head Bolt Kit...

Edelbrock

Edelbrock Olds Head Bolt Kit

SKU: EDE8558

Engine Cylinder Head Bolt Set

EDE Head Bolt Kit...

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

The Edelbrock #8558 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.

Product Overview

Features and Benefits

Manufactured By ARP

Product Details

Description:	Cylinder Head Bolt Kit
Engine Make/Size:	Olds 307-455
Finish:	Black Oxide
Grade Type:	Performance
Head Drive Type:	Hex
Length:	(16) 4.180 in, (4) 3.060
Material:	Chromoly
Part Number:	ede8558
Quantity:	Kit
RGL:	WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Thread Diameter:	0.4375
Thread Type:	Coarse
WARNING CA Proposition 65 Message:	WARNING: This product can expose you to Chromium; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov.
WARNING CA Proposition 65:	Yes
Washers Included:	Yes

Application Summary

Oldsmobile:-:400 (6.6L)-455 (7.5L)

Part Type

Engine Cylinder Head Bolt Set

Data: v4.2 - Upd: 2026-10-14 06:56:57

Features

Manufactured By ARP

Specifications

Description:: Cylinder Head Bolt Kit
Engine Make/Size:: Olds 307-455
Finish:: Black Oxide
Grade Type:: Performance
Head Drive Type:: Hex
Length:: (16) 4.180 in, (4) 3.060
Material:: Chromoly
Part Number:: ede8558
Quantity:: Kit
RGL:: WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Thread Diameter:: 0.4375
Thread Type:: Coarse
WARNING CA Proposition 65 Message:: WARNING: This product can expose you to Chromium; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov.
WARNING CA Proposition 65:: Yes
Washers Included:: Yes

Reference Information

Brand Name/s	Edelbrock
StreetFX SKU	ede8558
SFX Item ID	4236412
Supplier Item Code	4236412
Manufacturer SKU	8558
Manufacturer UPC	85347085583
Alternative References	351c;