SKU: 39775280807

1951-87 Chevy, GMC 1/2 Ton Truck Disc Brake Conversion Rotor, Rear, 5 or 6 Lug

Sale price$58.25 Regular price$64.72
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

1951-87 Chevy, GMC 1/2 Ton Truck Disc Brake Conversion Rotor, Rear, 5 or 6 LugPremium made rear disc conversion brake rotor. Another great item found on our conversion kits. These items fit 51 70 6 lug (6 x 5. 5" pattern) and 71 87 5 lug (5 x 5" pattern) Chevy and GMC truck rear end. Sold individually. Drilled and Slotted option available. Plain rotors are sold as each Drilled and slotted rotors are sold as a pair Note: 5568 6 shown for reference. Rotor Specs: Disc Brake Conversion Rotor, Rear, 5 Lug, 1951 87 Chevy, GMC 1 2 Ton

Premium made rear disc conversion brake rotor. Another great item found on our conversion kits. These items fit 51-70 6-lug (6 x 5.5" pattern) and 71-87 5-lug (5 x 5" pattern) Chevy and GMC truck rear end. Sold individually. Drilled and Slotted option available.

  • Plain rotors are sold as each
  • Drilled and slotted rotors are sold as a pair


Note: 5568-6 shown for reference.

Rotor Specs:

Disc Brake Conversion Rotor, Rear, 5 Lug, 1951-87 Chevy, GMC 1/2 Ton Truck
Rotor Dia 11.625"
Rotor disc thickness 1.050"
Overall height 2.375"
Hat height 1.375"
Hat thickness .250"
Inner indexing diameter 5-lug - 3.090"
Inner indexing diameter 6-lug - 3.542"

 

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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SKU: 39775280807

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4.6 ★★★★★
Based on 16 reviews
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Product Reviews
C
Verified Purchase
Carb was beautiful once I got it tune in, cranks great runs smooth I would buy it again if needed
Natrona Heights, US
★★★★★ 5
For motorcycles
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Great stuff, good price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
J
Verified Purchase
JNL
San Leandro, US
★★★★★ 5
The best lower unit gear oil I have used
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
I have been boating my whole life, this is by far the best gear oil. I use this in my Johnson 115 even though this is technically made by Mercury. I seem to get less if any water intrusion into my gearcase with this oil. If there is any, the oil emulsifies the water and continues to protect the gears. I have had better luck with this than Pennzoil marine or others. Highly recommend. It is a blue color and easy to drain and fill.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
D
Verified Purchase
Debra
Grantham, US
★★★★★ 5
Great
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Great lube for the boat
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
J
Verified Purchase
Joshua Murray
New York, US
★★★★★ 5
recommend
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
C
Verified Purchase
Christopher C.
West Palm Beach, US
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025

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