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Description
B&M Holeshot 2400 Torque Converter, 1965-91 GM TH400, 1968-81 TH350 - 20412Overview: HoleShot 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) are for serious minded performance enthusiasts and offer additional strength and durability features not found in our Tork Master or Traveler series of converters. The Holeshot converter is an excellent choice for vehicles with some performance engine modifications, particularly big cams that tend to reduce low end power and torque. The higher stall
Overview:
HoleShot 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) are for serious-minded performance enthusiasts and offer additional strength and durability features not found in our Tork Master or Traveler series of converters. The Holeshot converter is an excellent choice for vehicles with some performance engine modifications, particularly big cams that tend to reduce low-end power and torque. The higher stall speed of this converter will launch the car in a higher rpm range where more torque is readily available, resulting in quicker acceleration. Holeshot converters feature furnace brazed impeller fins and turbine, new precision alloy impeller hub and new heavy duty needle bearings. Other features include fully balanced and pressure tested by expert technicians. If your vehicle is equipped with a plate type nitrous system or supercharger, please refer to the Nitrous Holeshot line of converters. Notes: Stall speed listings are based on engines producing 230lb. ft. of torque at 2,500 rpm. More torque at 2,500 rpm will give you more stall speed, less torque at 2,500 rpm will give you less stall speed than the stall speed ratings indicated. Higher stall converters can generate more heat, so we highly recommend adding a transmission cooler. This converter is Not recommended for supercharged, plate-type nitrous oxide or trans-brake applications. The product images shown are for illustration purposes only and may not be an exact representation of the product. 10.75-inch bolt circle.
Features:
- Precision Balanced on Certified Balance Equipment
- Copper Furnace Brazed Impeller and Turbine
- New Precision Alloy Steel Impeller Hub
- Race Proven Technology & Quality
- Heavy Duty Needle Bearings
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1975 - 1976 | Chevrolet | Vega | 122/2 L4 | |
| 1974 - 1977 | Chevrolet | Vega | 140/2.3 L4 | |
| 1971 - 1973 | Chevrolet | Vega | Base | 140/2.3 L4 |
| 1975 - 1977 | Chevrolet | Monza | 140/2.3 L4 | |
| 1976 - 1977 | Pontiac | Sunbird | 140/2.3 L4 | |
| 1975 - 1977 | Pontiac | Astre | 140/2.3 L4 | |
| 1976 - 1977 | Oldsmobile | Starfire | 140/2.3 L4 | |
| 1978 - 1980 | Chevrolet | Monza | 151/2.5 L4 | |
| 1977 - 1980 | Pontiac | Sunbird | 151/2.5 L4 | |
| 1977 | Pontiac | Ventura | 151/2.5 L4 | |
| 1977 | Pontiac | Astre | 151/2.5 L4 | |
| 1978 - 1980 | Oldsmobile | Starfire | 151/2.5 L4 | |
| 1977 - 1978 | Pontiac | Phoenix | 151/2.5 L4 | |
| 1969 - 1970 | Chevrolet | Nova | 153/2.5 L4 | |
| 1965 | Chevrolet | P10 Series | 153/2.5 L4 | |
| 1966 - 1967 | Chevrolet | Chevy II | Base | 153/2.5 L4 |
| 1966 - 1967 | Chevrolet | P20 Series | 159/2.6 L3 | |
| 1965 - 1967 | Chevrolet | P30 Series | 159/2.6 L3 | |
| 1965 - 1966 | Chevrolet | El Camino | 194/3.2 L6 | |
| 1965 | Chevrolet | Chevelle | Deluxe | 194/3.2 L6 |
| 1966 | Chevrolet | Chevelle | 194/3.2 L6 | |
| 1965 | Chevrolet | Chevelle | Base | 194/3.2 L6 |
| 1966 | Chevrolet | P10 Series | 194/3.2 L6 | |
| 1966 - 1967 | Chevrolet | Chevy II | Base | 194/3.2 L6 |
| 1978 - 1979 | Chevrolet | Monza | 196/3.2 V6 | |
| 1978 - 1979 | Buick | Regal | 196/3.2 V6 | |
| 1978 - 1979 | Buick | Century | 196/3.2 V6 | |
| 1978 - 1979 | Chevrolet | Malibu | 200/3.3 V6 | |
| 1978 - 1979 | Chevrolet | Monte Carlo | 200/3.3 V6 | |
| 1978 - 1979 | Chevrolet | El Camino | 200/3.3 V6 | |
| 1978 - 1979 | GMC | Caballero | 200/3.3 V6 | |
| 1965 | Pontiac | LeMans | 215/3.5 L6 | |
| 1965 | Pontiac | Tempest | 215/3.5 L6 | |
| 1965 - 1967 | Buick | Skylark | 225/3.7 V6 | |
| 1965 | Oldsmobile | F85 | 225/3.7 V6 | |
| 1965 - 1967 | Buick | Special | 225/3.7 V6 | |
| 1980 | Pontiac | Grand LeMans | Base | 229/3.8 V6 |
| 1980 | Pontiac | Grand LeMans | Safari | 229/3.8 V6 |
| 1980 | Chevrolet | Malibu | 229/3.8 V6 | |
| 1980 | Chevrolet | Monte Carlo | 229/3.8 V6 | |
| 1980 - 1982 | Checker | Marathon | 229/3.8 V6 | |
| 1980 | Pontiac | Catalina | 229/3.8 V6 | |
| 1980 - 1981 | Chevrolet | Camaro | 229/3.8 V6 | |
| 1980 | Chevrolet | Caprice | 229/3.8 V6 | |
| 1980 | Chevrolet | El Camino | 229/3.8 V6 | |
| 1980 | Chevrolet | Impala | 229/3.8 V6 | |
| 1980 | GMC | Caballero | 229/3.8 V6 | |
| 1980 | Pontiac | LeMans | 229/3.8 V6 | |
| 1969 - 1970 | Chevrolet | Nova | 230/3.8 L6 | |
| 1967 - 1968 | Chevrolet | Camaro | 230/3.8 L6 | |
| 1969 | Chevrolet | Camaro | Base | 230/3.8 L6 |
| 1967 | Pontiac | Firebird | Base | 230/3.8 L6 |
| 1967 | Pontiac | Firebird | Sprint | 230/3.8 L6 |
| 1969 | Chevrolet | G10 Van | 230/3.8 L6 | |
| 1965 - 1969 | Chevrolet | El Camino | 230/3.8 L6 | |
| 1969 | GMC | G15/G1500 Van | 230/3.8 L6 | |
| 1969 | Chevrolet | G20 Van | 230/3.8 L6 | |
| 1967 - 1969 | GMC | K15/K1500 Pickup | 230/3.8 L6 | |
| 1969 | Chevrolet | Camaro | RS | 230/3.8 L6 |
| 1965 | Chevrolet | Chevelle | Deluxe | 230/3.8 L6 |
| 1966 - 1967 | Chevrolet | Chevelle | 230/3.8 L6 | |
| 1969 | GMC | G25/G2500 Van | 230/3.8 L6 | |
| 1965 | Chevrolet | Impala | 230/3.8 L6 | |
| 1965 | Chevrolet | Bel Air | 230/3.8 L6 | |
| 1966 | Chevrolet | C10 Pickup | 230/3.8 L6 | |
| 1965 | Chevrolet | Chevelle | Base | 230/3.8 L6 |
| 1968 - 1969 | GMC | C15/C1500 Pickup | 230/3.8 L6 | |
| 196 |
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- 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.
- Final sale items are not eligible for returns or exchanges.
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- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 4
Chuckit medium rebound balls
Size: Medium
My 8 month old German shepherd dog loves these balls. They are easy to throw, they bounce great, they are very chewable! She keeps one in her mouth most of the time. It satisfies her need to chew and she does not chew other things. She drops it in the water and lets the hole fill up and drinks that way. The only problem that has caused is suction in her mouth and difficulty in dislodging it for her. However, she would be lost without it!
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Reviewed in the United States on April 19, 2023
★★★★★ 5
These are definitely indestructible
Size: Medium
Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.
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Reviewed in the United States on September 25, 2025
★★★★★ 5
He loves this ball
Size: Medium, Size: Medium
My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Best toy, the end
Style: Sport, Size: 12in, Style: Sport, Size: 12in
Combined with the Max Glow ball, this is the best dog toy available on modern planet Earth.
I have a burly 92lb. pit bull mix with highly developed prey drive, and she will chase the glow ball for hours if I let her.
The tiny sport launcher (Sport 12M) is the best, because you can still throw the ball really far, but you can also slam the ball down a few feet away from yourself so it bounces up in the air and your dog has to jump to catch it, or you can throw it up really high so it bounces 15' away or so and your dog can jump to catch it. We sometimes have to play fetch in a pretty small area, so it's nice to have the small launcher for these games. The larger launchers aren't as fun in small areas. You can play the same games but it's trickier to throw the ball correctly.
Also, the small launcher is a lot easier to carry. The small launcher fits in my dog-walk-stuff backpack (with the ball in the launcher so I don't have to dig for it later), but the big ones don't easily. The launcher also has a hole in the end so you can hang it from your bag or whatever with a carabiner. The big ones are too long for that in most cases, and swing back and forth.
Also-also my dog loves to ask for the launcher, then when I give it to her she plays keep-away and it's adorable. The big launcher I have is harder for her to balance in her mouth, so she just lays down and chews on it until it gets taken away. She's chewed on all of the four Chuck Its we've owned, but she's only broken one (a big one), but that's because she got ahold of it when no one was home. The little one in my bag is totally chewed up but still works great. I think they're sturdier than the big ones. Except for the launcher she chewed into pieces, which was our fault, the only reason we've had to replace anything was because we lost it. Usually we keep the launcher and ball in the backpack so she can't get to them and so they don't get lost, so we rarely have to replace them. There is just not a better value in toys, and the startup price is really low.
Once again I really recommend the glow ball! It doesn't get soggy no matter how wet the grass or the dog mouth is. It is fun to chase because it is slippery and it collapses when it's squeezed, so it pops out of the dog's mouth and flies away if they bite it at the wrong angle; it's really bouncy, and stays bouncy because it can't be popped; it whistles so you can usually hear it even if you can't see it; and it really glows enough for nighttime catch, even if you only have your cellphone flashlight to charge it up!
UPDATE:
I should have said, we have the 12M launcher, which means the handle is 12 inches long and it uses a medium-sized ball. The medium ball is 2.5 inches in diameter, so the launcher will fit regular tennis balls, too! But my dog won't play with regular tennis balls anymore because they aren't anywhere near as fun as the glow balls, and I think she doesn't like having gross sloshy muddy tennis balls in her mouth.
I lost my short launcher awhile back and could only get a long one locally to replace it, which reminded me that you have to lean over a lot further to use the short launcher. So if you have trouble leaning over to the point that your hand is a foot above the ground, this may be hard for you to use.
I wish Amazon would let us choose colors, because my old one was green, and the big one is orange, both of which are bright enough to see in the grass from far away, even at night.
Still, best toy!
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Reviewed in the United States on May 19, 2017
★★★★★ 5
Highly recommend.
Style: Sport, Size: 12in
Love this. Dog sitting for a dog that loves to chase balls but my shoulder doesn’t like throwing them. Got this yesterday and it’s perfect. Real arm/shoulder saver.
Seems sturdy and I was concerned that a standard tennis ball would not work. We tend to lose balls when walking because this lab insists on carrying the ball in its mouth. They work.
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Reviewed in the United States on March 22, 2026
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