★★★★★ 4
Good
Size: 89-96158T 2PCS
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025
Grover GRO502 Roto Grip Standard Machine Heads
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Grover GRO502 Roto Grip Standard Machine HeadsGrover GRO502 Roto Grip Locking Rotomatics (502 Series) Electric Machine Heads 3 a Side. These locking machine heads utilise the 18: 1 Rotomatic design with a thumb screw mechanism which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. Perfect replacement for the most standard machine heads. Includes all mounting hardware. 3 Treble and 3 Bass, Set of 6 (502C Chrome)
Quick Dispatch:
Your Grover GRO502 Roto Grip Standard Machine Heads orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Grover GRO502 Roto Grip Standard Machine Heads ships.
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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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.6 ★★★★★
Based on 485 reviews
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Product Reviews
★★★★★ 1
Bad solenoid
Size: 89-96158T 2PCS
One of the cylinders works, and the other cylinder was a bad one. It did not work.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025
★★★★★ 4
Metric Hardware
Size: 89-96158T 1PC
Works fine. This has metric hardware, which does not match the other two relays on my vintage mercury outboard. This is not a quicksilver part
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Reviewed in the United States on August 6, 2025
★★★★★ 5
Boat repair
Size: 89-96158T 2PCS
Excellent for price and quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2025
★★★★★ 5
Fixed the no boat start
Size: 89-96158T 1PC
Fixed my problem so far working good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2025
