1964–1965 Mustang 5-Bolt Bellhousing Adapter Plate to Tremec TKX / TKO
Part Number: TRA-645-049
This part is the ideal choice for enthusiasts who want modern transmission performance while preserving the factory look and adding driving comfort to their early Ford. Upgrade your early Ford drivetrain with California Pony Cars’ precision 5-Bolt Bellhousing Adapter Plate — the direct solution for adapting original 5-bolt bellhousings to modern Tremec TKX or TKO 5-speed transmissions. CNC-machined in the USA, engineered to preserve originality while enabling modern performance. Includes all necessary mounting hardware.
Critical Fitment & Casting Info
Fits bellhousing casting number C3AA-6394-C (for 157-tooth flywheel)
Compatible with 260 V8 and early 289 V8 (pre-August 1965) engines
Benefits
Adapts narrow-pattern 5-bolt Ford bellhousing to Tremec TKX or TKO 5-speed transmissions
Retains factory clutch components: flywheel, pressure plate, clutch disc, throw-out bearing, starter, pilot bushing
Saves cost and preserves factory-style
Maintains drivetrain alignment and reduces vibration
Key Features
CNC-machined aluminum adapter plate
Direct bolt-on — no bellhousing modifications required
Includes all necessary mounting hardware
Made in USA by California Pony Cars — original CPC design
Limited Lifetime Warranty
Applications
1964–1965 Mustang with 5-bolt bellhousing
Also compatible with certain 1963–1965 Falcon and Fairlane applications (verify casting number)
Installation Notes
Confirm bellhousing casting number before ordering (C3AA-6394-C)
Designed to bolt directly; standard installation procedures apply
Why Choose This Adapter Plate?
California Pony Cars pioneered Mustang transmission conversion parts and provides the original, trusted solution — not a repro or copy. Improves factory functionality and engineered for long-term durability.
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