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ATB™ NovoFlex Heavy-Duty Honing Tool, 4.25" Dia. x 6-1/2" L, 240 Grit

Marsoni M251S
Sale price$175.50
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ATB™ NovoFlex Heavy-Duty Honing Tool, 4.25" Dia. x 6-1/2" L, 240 GritTypical applications include honing, creating cross hatched surface pattern for oil retention, cylinder port area deburring and eliminating inside flashing These brushes are ideal for reaching into holes and crevices where other brushes cannot Silicon Carbide abrasive beads are fastened to durable nylon filaments to allow the tool to conform to the bore surface Flexible filaments are engineered to provide the correct pressure to create an ideal hone
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 520 reviews
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chris s
West Palm Beach, US
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
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Reviewed in the United States on August 26, 2025
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Verified Purchase
Robert Werkhoven
Pawtucket, US
★★★★★ 5
Work’s okay
They work ok, as expected
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Reviewed in the United States on August 26, 2025
R
Verified Purchase
Ron McCrea
Port Orchard, US
★★★★★ 5
Just as good as OEM
Exactly what I expected...
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Reviewed in the United States on August 9, 2025
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Verified Purchase
wes
Fort Morgan, US
★★★★★ 5
Fit perfectly
Truly impressive, bought these and a set from a us boat supplier a thermostat made in the USA . They came with the gasket separate . I could not figure out how to put it together . I used these in my mercury optimax 135 hp . They fit perfectly and appear to be working great at a quarter the cost .
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Reviewed in the United States on August 29, 2024
A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 5
Handles the power
Size: 5FT, Style: 8AWG
Used for leads to handle high Amperage. Replaced cheesy 12 gauge leads that came with the unit
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Reviewed in the United States on January 28, 2026

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