1964–1965 Mustang 5-Bolt Bellhousing Adapter Spacer Plate – Tremec TKX/TKO Conversion
Upgrade your classic Mustang's drivetrain with our 1964–1965 Mustang 5-bolt bellhousing adapter spacer plate, built specifically for Tremec TKX and TKO 5-speed conversions. California Pony Cars delivers a precision-machined solution made from injection-molded cast aluminum, offering strength, durability, and perfect fitment.
This adapter plate fits the C3AA-6394-C narrow pattern bellhousing, supporting 157-tooth flywheel setups on early 260 and 289 small-block Ford engines, as well as big block Ford (BBF) configurations. It ensures proper alignment during transmission swaps and comes complete with all necessary mounting hardware.
Proudly Made in the USA, this spacer plate is ideal for enthusiasts upgrading from 3–4 speed transmissions to a modern 5-speed manual.
Key Features:
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Fits 1964–1965 Mustang 5-bolt bellhousing (C3AA-6394-C)
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Compatible with Tremec TKX/TKO 5-speed transmissions
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Works with early Ford 260 & 289 V8 engines
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Supports both Small Block Ford (SBF) and Big Block Ford (BBF)
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Designed for 157-tooth flywheel setups
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Includes all required mounting hardware
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Precision-machined, injection-molded cast aluminum
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Easy installation
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Made in the USA
