ATI Trick Sticks locking transmission dipsticks are available for a variety of transmissions. These dipsticks prevent pressure from forcing fluid out of the tube and going everywhere. They are required by NHRA cars running 10.99 or quicker.

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TCI Automatic Transmission Dipstick with Tube, Locking, Steel, Chrome, For Chevrolet, Powerglide, Each

TCI Automatic Transmission Dipstick with Tube, Locking, Steel, Chrome, For Chevrolet, Powerglide, Each

$97.69

TCI Automatic Transmission Dipstick with Tube, Locking, Steel/Plastic, Gold Dichromate, Black, For Chevrolet, 4L80E, Each

TCI Automatic Transmission Dipstick with Tube, Locking, Steel/Plastic, Gold Dichromate, Black, For Chevrolet, 4L80E, Each

$177.55

TCI For Ford AOD Firewall-Mount Transmission Dipstick.

TCI For Ford AOD Firewall-Mount Transmission Dipstick.

$418.26