Racing sanctioning bodies require a locking transmission dipstick for a reason: factory dipsticks can eject under the pressure and vibration of hard launches, creating a fluid fire hazard in the engine bay. Moroso's locking dipstick for the Ford C4 addresses that risk with a purpose-built assembly that satisfies NHRA and IHRA technical inspection for vehicles running 10.99 or quicker.
Built for real racing conditions. The tube is constructed from heavy-duty hydraulic tubing, fixture-welded for a precision fit, and finished in black powder coat for corrosion resistance. The threaded knob locks to the tube and stays put under high transmission pressure and sustained vibration, eliminating the ejection risk that makes open dipstick tubes a tech-inspection failure.
Clear fluid-level reference at a glance. The heavy-duty cable features clearly marked "full" and "fill" indicators so checking and setting fluid level is fast and accurate, even in a busy pit environment. No guessing, no overfilling.
OE long style fitment. This assembly follows the OE long-style and case-style routing for the C4, so it integrates cleanly with the popular shields commonly used on these builds. Each dipstick is custom-designed for its specific transmission application rather than adapted from a universal pattern.
Product Benefits
- NHRA/IHRA Compliant: Required for vehicles running 10.99 or quicker; satisfies sanctioning body tech inspection.
- Locking Threaded Knob: Stays secured to the tube under high pressure and vibration to prevent ejection.
- Heavy-Duty Hydraulic Tubing: Fixture-welded construction for a precise, rattle-free fit.
- Black Powder Coat Finish: Resists corrosion and heat in an underhood racing environment.
- Full and Fill Indicators: Heavy-duty cable clearly marks desired fluid level for quick servicing.
- Shield Compatible: OE long-style and case-style design works with popular transmission shields used on C4 builds.
- Application-Specific Design: Custom engineered for the Ford C4.
Note: Fits Ford C4 transmissions. Locking style, OE long style/case style configuration.
About Moroso: Moroso Performance Products has been manufacturing racing and high-performance components since 1968, specializing in oil pans, valve covers, ignition accessories, and fluid management products. Moroso parts are developed for competition use and are trusted across drag racing, road racing, and circle track applications.
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
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