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Description
GM 12 Blt 4.56 Pro Gear Set Richmond Gear – Produced in ItalyPart Number: RP12B456 Drag Race Use Only Pro Gears may be necessary when tooth breakage occurs with Standard gear sets Produced from a softer material, the teeth can flex as opposed to crack and break The life expectancy can vary anywhere from 15 to 300 runs depending on the vehicle If a Standard gear provided acceptable life, a Pro gear may not be the right choice Designed For 4. 11 & Numerically Higher Carriers Will Not Fit Truck Rear Ends Machined
Part Number: RP12B456
Drag Race Use Only
Pro Gears may be necessary when tooth breakage occurs with Standard gear sets
Produced from a softer material, the teeth can flex as opposed to crack and break
The life expectancy can vary anywhere from 15 to 300 runs depending on the vehicle
If a Standard gear provided acceptable life, a Pro gear may not be the right choice
Designed For 4.11 & Numerically Higher Carriers
Will Not Fit Truck Rear Ends
Machined From 9310 Forged Steel
Heat Treated to Optimize Material Properties
Matched Ring & Pinion Set
Ring Gear
– 8.875″ OD
– Tooth count 41
– 12 bolt holes
– 3/8″-24 RH threads
Pinion
– 30 spline shaft
– Tooth count 9
– 7/8″-16 RH threads
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Tough
Color: Medium size (5.9")
So far my dog hasn’t destroyed it! And it’s been a month. So I call that a win. Plus he loves it.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
INDESTRUCTIBLE!
Our lab chews through every “indestructible” toy within a few hours. This ball is amazing! He has not been able to destroy this toy! Highly recommend for your most aggressive chewer!
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Our dog is very happy with this ball!
Our lab is an aggressive chewer and LOVES his toys. I was looking for a chew toy that had a different shape than a regular ball or Kong and saw this. Our dog LOVES this toy because he can chew it when he wants to be alone and it keeps him entertained (especially when stuffed with food). He also plays "catch" with us by rolling the ball toward us with his nose. So far there is no indication that he is damaging it so I'm very pleased with the durability.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Bouncy and firm
Lasted a day so far! I'm hopeful it'll last at least a week. Light enough to bounce compared to her Kong ball.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Thus is Great
They so far are indestructible in the jaws of my two large German Shepards.
To be fair, this is NOT a ball to toss because it seems to be more in the cannonball family than in the soft dog toy world.
Each of my pups love their Monster K9 balls but when they drop it on our hardwood floors, the whole household knows where they are.
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Reviewed in the United States on April 24, 2026