Holley Cast Aluminum Timing Chain Cover - 21-151
SKU: 11564479506

Holley Cast Aluminum Timing Chain Cover - 21-151

Sale price$107.95 Regular price$119.95
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Description

Holley Cast Aluminum Timing Chain Cover - 21-151Overview: Holley now offers a solution to the plastic OEM timing chain covers on 1996 up Vortec Small Block Chevy engines. Our cast aluminum timing chain covers are an excellent upgrade from the OEM part, offering the superior durability of an aluminum part with improved functionality. These cast aluminum covers feature timing indicators molded into the body and are available with or without a crank sensor provision to accommodate both carbureted and

Overview:

Holley now offers a solution to the plastic OEM timing chain covers on 1996-up Vortec Small Block Chevy engines. Our cast aluminum timing chain covers are an excellent upgrade from the OEM part, offering the superior durability of an aluminum part with improved functionality. These cast aluminum covers feature timing indicators molded into the body and are available with or without a crank sensor provision to accommodate both carbureted and EFI applications. The covers are available in two finishes; Natural Cast and Satin Black. They are packaged with a high quality gasket and E-coated mounting hardware for added corrosion resistance

Features:

  • Designed as an upgrade from the plastic OEM timing chain covers on 1996-up Vortec Small Block Chevy engines - Replaces GM part numbers 10244600, 12523972, 12523973, 12558343, 12562818, & 93800970
  • Excellent upgrade for Chevrolet Performance crate engines that use the plastic timing chain cover
  • Available for EFI (with crank sensor provisions) and carbureted applications (without crank sensor provision)
  • Includes over-molded FKM oil seal, virtually eliminating concerns of the seal spinning out at high temperatures, which is common with other aluminum timing covers
  • Timing indicator cast into the cover – Intended for use with 8” Vortec balancers and other popular 8” aftermarket balancers
  • Accommodates both stock and aftermarket water pumps
  • Includes high quality gasket, corrosion resistant E-coated hardware, and dowel pins
  • Offered in Natural Cast and Satin Black finishes

Application:

Year Make Model Submodel Engine Size
1985 - 1986 Chevrolet C10 262/4.3L V6
1985 - 1986 Chevrolet C20 262/4.3L V6
1985 - 1986 Chevrolet G10 262/4.3L V6
1985 - 1986 Chevrolet G20 262/4.3L V6
1985 - 1986 Chevrolet G30 262/4.3L V6
1985 - 1986 Chevrolet K10 262/4.3L V6
1985 - 1986 GMC C1500 262/4.3L V6
1985 - 1986 GMC C2500 262/4.3L V6
1985 - 1986 GMC G1500 262/4.3L V6
1985 - 1986 GMC G2500 262/4.3L V6
1985 - 1986 GMC G3500 262/4.3L V6
1985 - 1986 GMC K1500 262/4.3L V6
1985 Chevrolet Astro 262/4.3L V6
1985 Chevrolet K20 262/4.3L V6
1985 GMC K2500 262/4.3L V6
1985 GMC Safari 262/4.3L V6

Specs:

Application Small Block Chevy
Brand Holley
Crank Sensor Provision No
Emission Code 5
Engine Chevrolet VORTEC V8
Finish Black
Gaskets Included Yes
Material Aluminum
Mounting Hardware Included Yes
Product Type Timing Chain Cover
Thickness Standard OEM
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 11564479506

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Kevin Rawlinson
Omaha, US
★★★★★ 3
Soft
Color: White, Size: King
They come single pillow even though they show 2 in the photo. Pillow is pretty soft. Not what I was looking for.
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Reviewed in the United States on March 17, 2025
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Amazon Customer
Charlottesville, US
★★★★★ 5
Very comfortable !!
Color: White, Size: Standard/Queen
A little more than I was looking to spend but turned out to be worth the extra cost for the comfort !
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Reviewed in the United States on August 22, 2022
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Scott Golby
Charlottesville, US
★★★★★ 1
Awful, very soft not firm at all, shipped in a tiny box
Color: White, Size: Standard/Queen
So soft they were able to fold it multiple times over into a box a fraction of the size of the pillow. Firm description is completely misleading.
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Reviewed in the United States on July 25, 2022
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Daemy Calero Ortega
San Leandro, US
★★★★★ 5
Almoada
Color: White, Size: Queen Size Set of 2, Color: White, Size: Queen Size Set of 2
Hotel-like comfort at home I bought these pillows from Beautyrest and they really exceeded my expectations. They are very soft but at the same time have good support, which helps you rest better throughout the night. They feel like luxury hotel pillows, especially because of their down-like filling. The jumbo size is perfect and they come well filled, they are not easily crushed. In addition, the cotton cover feels fresh and of good quality. They arrived quickly and well packed. After using them for several days, they maintain their shape and comfort. I definitely recommend them if you are looking to improve your rest without spending too much.
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Reviewed in the United States on March 20, 2026
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Yanaida Hernandez
Chelsea, US
★★★★★ 5
Great quality
Color: White, Size: Queen Size Set of 2
★★★★★ Super comfortable and supportive pillows! Great quality, soft but still keeps its shape. I’m sleeping much better now. Highly recommend!
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Reviewed in the United States on May 9, 2026

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