1965–1973 Mustang Flexplate – 157 Tooth, 28 oz. for C4 Transmission
Part Number: TRA-650-711
OEM Reference #: C3AZ-6375L
OEM-Style Reproduction for Classic Ford V8 Applications
This 157-tooth, 28oz externally balanced flexplate is a direct replacement for Ford part number C3AZ-6375L, designed to work with C4 automatic transmissions behind small-block V8 engines. It's built to factory specs for reliable starter engagement, proper balance, and long-term durability in restoration or conversion projects.
Important: This flexplate is designed specifically for use with C4 transmissions.
Key Features:
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OEM-style 157-tooth ring gear
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28oz external balance for 289 and early 302 small block V8s
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Designed for small bellhousing C4 transmissions
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Matches 10.5" torque converter bolt pattern
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High-quality steel construction
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Factory-style fit and function
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Direct replaces Ford part #C3AZ-6375L
C4 Bellhousing Compatibility
C4 transmissions were produced with two different bellhousing sizes.
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The small bellhousing uses a 157-tooth flexplate (this part)
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The large bellhousing requires a 164-tooth flexplate (not compatible)
Please verify bellhousing size and tooth count before ordering.
Fits the Following Applications:
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1965–1968 Mustang 289, C4 A/T
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1968–1973 Mustang 302, C4
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1967–1968 Cougar 289/302, C4
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1963–1964 Falcon 289-2V
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1965–1968 Falcon 289
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1968–1970 Falcon (before 1/1/70), 302, C4
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1964–1964 Fairlane 289-2V
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1966–1968 Fairlane & Torino, 289
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1968–1971 Fairlane, Torino, and 70½ Falcon, 302, C4
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1969–1978 F-100 to F-350 with 302
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1966–1968 Bronco 289, C4
Why Choose California Pony Cars?
Since 1982, California Pony Cars has been a trusted name in classic Mustang and Ford parts. Our products are designed to factory specs, ensuring a perfect fit and reliable performance for restoration professionals and weekend builders alike.
Customer Benefits:
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Satisfaction guaranteed
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Friendly, knowledgeable support
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Best Warranty-backed products
Replace your worn or incorrect flexplate with a factory-style part that fits right the first time—and keeps your drivetrain running smooth.
