1964-1976 C2-C3 Water Pump FTF Bolt Kit Small Block with A/C
Secure Your Small Block’s Water Pump with Correct Fasteners
A loose or incorrect fastener can lead to costly cooling system failure. Our 1964–1976 Small Block Water Pump Bolt Kit delivers restoration-correct appearance and fit for 327 and 350 small block engines equipped with factory air conditioning. Featuring TR headmarks and the correct black, and zinc finishes, these bolts provide the proper length, thread engagement, and OE-grade strength to secure your Corvette’s water pump confidently.
Fits the Following Corvette Models:
1964–1968 327 Small Block with Air Conditioning
1969–1976 350 Small Block with Air Conditioning
Features
• Four-piece water pump bolt kit – exact OE replacements
• TR headmarks replicate factory-installed fasteners
• Correct finishes: black phosphate, silver zinc
• Grade 8 and Grade 5 bolts as originally specified
• Proper lengths and thread engagement for AC-equipped small blocks
• 9/16" (14mm) across flats hex heads
• Replaces missing, rusted, or incorrect hardware
• Restores proper water pump attachment and appearance
Dimensions and Weight
• Kit contents:
– 1 bolt: 3/8-16 x 3-5/8" (92mm) Grade 8 black phosphate
– 1 bolt: 3/8-16 x 2-3/4" (70mm) Grade 5 zinc
– 2 bolts: 3/8-16 x 1-7/8" (48mm) Grade 5 zinc
• Thread pitch: 3/8-16 (UNC)
• Weight: 0.75 lbs (0.34kg) approx.
Tech Notes
• Designed specifically for small block engines with factory-installed A/C
• Includes mixed-length bolts for precise component attachment
• TR headmarked fasteners enhance restoration accuracy
• Use anti-seize compound during installation for optimal serviceability
At Mid America Motorworks, We Call These Final Touch Fasteners
When you’ve invested countless hours into your Corvette’s restoration, don’t compromise with incorrect hardware. Our FTF – Final Touch Fasteners – are chosen to replicate factory headmarks, finishes, and materials, helping you achieve an authentic, detail-accurate assembly. Every fastener in this kit meets restoration-correct standards to preserve the integrity and appearance of your Corvette project.
Because Details Matter
From headmark to finish, these water pump bolts restore factory fit and function—securing your Corvette’s cooling system with confidence.
Also known under these part numbers: (For reference only)