Best in 7 days
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
2004.5-2005 Chevrolet / GMC HSP Cold Side Tube to HSP Bridge HSP DieselThe LLY Duramax has a very restricted charge air system from the factory. After realizing the potential power loss from the small diameter factory tubes, we increased the size of the tubing to 3'' which proved major power gains over the factory intercooler system. While dyno testing the HSP upgraded intercooler tubing, we saw incredible horsepower and torque gains from such an over looked component. This Tube will flow 53% above what the factory unit
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 2270 reviews
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Product Reviews
★★★★★ 5
Great value and working started
Great starter. I had ordered a cheaper option before this and it just hold up. When this one arrived I could tell I made the right decision right out of the box. It looked, felt and worked like the OEM one. No shims just a good working starter. Spend a few extra bucks and save time.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Perfect fit for 5.7 Mercruiser
Great fit for mercruiser 5.7
Have had it installed for about 6 months and still working great!
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great Buy!!! 5-Star!!!
Bolted up! Boat starts like the original starter! Great Buy!!!
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Reviewed in the United States on April 1, 2026
★★★★★ 4
Seems good but not a direct replacement
This starter did work but it was not a direct replacement for the starter in my 1986 Malibu skier with 5.7 mercruiser direct drive. This starter is a mini-starter, which is great in that it’s smaller and lighter but it meant that my starter bolts were too long and I had to add 3/8” stack of washers under the bolt heads. The bracket that supports the front of the starter to the engine block was also not able to be used because the new starter is shorter, although with the lighter starter, that bracket is probably no longer necessary. First few starts have been fine.
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Reviewed in the United States on July 10, 2025
★★★★★ 5
Fit Great. Works great.
Fit perfectly Mercruiser 4.3
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Reviewed in the United States on March 22, 2026
