


COMP Cams Magnetic Deck Checker
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
COMP Cams Magnetic Deck CheckerTo calculate true compression ratio it's necessary to measure the distance between the deck surface of the block and the piston deck. Our machine aluminum deck checker incorporates magnets to hold itself firmly to the block for simple and accurate measurements. Mount a dial indicator in the center for deck height or in each end to check piston rock.
Quick Dispatch:
Your COMP Cams Magnetic Deck Checker 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 COMP Cams Magnetic Deck Checker 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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★★★★★ 5
Quality.
Size: 15 FT, Style: 0 (1/0) AWG RED, Size: 15 FT, Style: 0 (1/0) AWG RED
If you’re reading this stop just get it.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
slightly smaller than sky high
Size: 30 FT, Style: 0 (1/0) AWG RED
wire is okay but it is definitely on the thinner side, was slightly smaller than my sky high 1/0 wire but for the price difference this is definitely worth it
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Reviewed in the United States on February 23, 2025
★★★★★ 5
Heavy gauge battery cable
Size: 10 FT, Style: 0 (1/0) AWG RED
Heavy duty works good
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Great product
Size: 5 FT, Style: 0 (1/0) AWG RED
Good quality cable.
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Reviewed in the United States on February 1, 2026
★★★★★ 5
89 mercruiser works fine
The mounting bracket was a little smaller than orginal, but no big deal, just drilled new hole in mounting plate. Solved my starting problem
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Reviewed in the United States on May 20, 2023