70-71 Manual TCS Transmission Switch (Pin Terminal) - Out of Stock
SKU: 8563125931

70-71 Manual TCS Transmission Switch (Pin Terminal) - Out of Stock

$29.70 $33.00
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Description

70-71 Manual TCS Transmission Switch (Pin Terminal) - Out of StockReproduction 1970 1971 Corvette TCS transmission switch. Correct for manual transmission equipped Corvettes. Includes "pin" type electrical connection. Switch threads into the transmission providing electrical signal for TCS solenoid on intake manifold. GM Part 3961567 Transmission Controlled Spark (TCS) System controls exhaust emissions by eliminating vacuum advance in the lower forward gears while at operating temperature. The TCS intake manifold

Reproduction 1970-1971 Corvette TCS transmission switch. Correct for manual transmission equipped Corvettes. Includes "pin" type electrical connection. Switch threads into the transmission providing electrical signal for TCS solenoid on intake manifold.

GM Part 3961567

Transmission Controlled Spark (TCS) System controls exhaust emissions by eliminating vacuum advance in the lower forward gears while at operating temperature. The TCS intake manifold solenoid controls vacuum to the distributor's vacuum advance unit. The solenoid determines when, and how much, vacuum to release. Typically, a vacuum line from the carburetor enters the solenoid and another vacuum line exits the solenoid to the distributor vacuum advance unit (some applications have multiple inlet and outlet lines). The TCS solenoid relies on an electrical signal provided by other TCS system switches/senders via an electrical connection on the back or side of the solenoid (Engine Harness or TCS Harness plugs into this connection).

Model Years

1970 1971
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SKU: 8563125931

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4.1 ★★★★★
Based on 2100 reviews
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Pittieluv79
Whiting, US
★★★★★ 3
The rubber middle is not durable, it lasted less than 3 hours.
Color: 1 PC-Beef-Red
I bought this as I have bully/husky puppies (9 months old) and a pitt/doberman (9 years old). They are heavy chewers and destroy everything. I saw a video of this toy. The woman said that her dog chewed on it for a while (about 2 hours or so) she showed the ends visibly chewed, which I expect but it was holding up. The rubber middle seemed to hold up to. I received this yesterday. I had to take it away from them last night as they were chewing the rubber middle off. They had it maybe 3 hours. I didn't give it a lower star score as I will just cut the rubber off and give it back to them. So I was disappointed in the rubber middle not being more durable but the hard plastic it's made from is the strong material they need.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
B
Verified Purchase
BLACKHAWKS
Omaha, US
★★★★★ 5
Bones
Color: 1 PC-Beef-Red
Yes bone 🍖 is very strong and durable MIA, Rocky and Rambo love them ..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
L
Verified Purchase
Lexi
Louisville, US
★★★★★ 4
Smaller than pictured but still a good choice for LG-XL dogs/power chewers!
Color: 3 PC-Beef-Red, Color: 3 PC-Beef-Red
Fantastic that these come in a 3 pack - I wish more chew toys did this! The base for these chew toys is pretty tough! The center & ends are hard enough to withstand both my bully mixes & my Irish wolfhound/Great Dane cross. They’re safe enough for even the largest power chewers! (With Supervision) my American Bully got the rubber spikes chewed off in under 20 minutes which is mildly disappointing but he’s a true powerhouse & master destroyer of all chews so I’m not that bent out of shape about it. I do wish they were as large as they appear in the ad pics but isn’t that the game we all play ordering offline anymore? 🤷🏻‍♀️ • Pro Tip: smear this toy in peanut butter (xylitol free!), wet food mixed into a slurry with water or bone broth + kibble/treats, yogurt, or even pumpkin puree and freeze for a few hours & relax while watching all the organic engagement your dog gets out of this toy!
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Reviewed in the United States on June 3, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 5
Great chew toy!!!
Size: 4 Inch (Pack of 2)
My dachshunds love all the bam bones!!!
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Reviewed in the United States on June 9, 2026
K
Verified Purchase
Kaylon Jenkins
Pawtucket, US
★★★★★ 5
Great for frenchies
Size: 4 Inch (Pack of 2)
My pups love these and they look just like the photo when playing lol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026

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