SKU: 70469170635

Twin Power 66-84 Shovelhead Big Twin Head Gasket Std Bore .040 MLS Replaces H-D 16770-66 Pr

$84.16 $93.51
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

Twin Power 66-84 Shovelhead Big Twin Head Gasket Std Bore .040 MLS Replaces H-D 16770-66 PrUpgrade your vintage Shovelhead Big Twin engine with the TwinPower 66 84 Head Gasket. Designed specifically for standard bore sizes with a 040 MLS thickness, this high quality gasket ensures superior sealing for optimal engine performance and reliability. Crafted as a precise replacement for the Harley Davidson 16770 66 part, it maintains the integrity of your engine's cylinder head, preventing leaks and enhancing durability under demanding

Upgrade your vintage Shovelhead Big Twin engine with the TwinPower 66-84 Head Gasket. Designed specifically for standard bore sizes with a 040 MLS thickness, this high-quality gasket ensures superior sealing for optimal engine performance and reliability.

Crafted as a precise replacement for the Harley-Davidson 16770-66 part, it maintains the integrity of your engine's cylinder head, preventing leaks and enhancing durability under demanding conditions. Trust TwinPower to deliver components that meet the needs of enthusiasts and professionals alike.

Whether you're rebuilding, repairing, or tuning your classic motor, this head gasket is engineered to provide a perfect fit and consistent performance. Invest in quality and keep your Big Twin running smoothly with this essential engine component, exclusively available for enthusiasts seeking reliability and excellence.
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: 70469170635

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4.1 ★★★★★
Based on 2182 reviews
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Product Reviews
D
Verified Purchase
David
Lowell, US
★★★★★ 4
Good value
Color: Gold-blue
As advertised hard to adjust band but attractive functional
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
K
Verified Purchase
Keith
West Palm Beach, US
★★★★★ 5
Acceptable quality!
Color: Gold-blue
Works great- band kind of flimsy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 1
band will not adjust.
Color: Gold-blue
Can't adjust band. Instructions say push pin out in direction of arow, with tool supplied. Pin does not move, tool bends. pins have screw slots tool only has round push. Shame I liked the look of watch but wonder about quality.
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Reviewed in the United States on March 23, 2026
A
Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
very expensive looking, like a rolex. But very large had to remove several links.
Color: Gold-blue
Luckily, I know a friend who is a watch guy or else this length is for a really big wristed guy. The look is great, left it a tad loose so it doesnt catch on my wrist hairs, and it isn't so thats good. Very sleek and Rolex looking. The glass is faceted too, to give a prism look. Great buy and price. Wanted an inexpensive yet everyday watch from metal and this does the job. Almost looks too rich now I am afraid to wear it in Los Angeles LMFAO.
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Reviewed in the United States on December 10, 2025
J
Verified Purchase
judy brayton
Lexington, US
★★★★★ 5
Beautiful watch
Color: Gold-blue
Absolutely beautiful, unfortunately my husband had a problem setting the clock and the band was much too large. I wish he could have used it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026

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