Replacement tachometer circuit board for select 1968-1972 Oldsmobile and Pontiac factory in-dash tachometers using the large round 3-hole internal board design.

Designed for Delco-style Rally Pack / Tic-Toc-Tach applications.

Fits:

• 1968-1972 Oldsmobile 442 in-dash tachometers
• 1968-1972 Oldsmobile Cutlass with Rally Pack tach
• 1968, 1969, 1972 Oldsmobile Hurst/Olds in-dash tachometers
• 1968-1972 Pontiac GTO in-dash tachometers
• 1968-1972 Pontiac LeMans in-dash tachometers

Important fitment requirement: Must use the round 3-hole internal circuit board style in an original Delco-style in-dash tach assembly.

Will not fit:

• Hood-mounted tachometers
• 1970-1972 Pontiac Firebird / Trans Am in-dash tachometers
• 1973-up GM tachometers
• Printed circuit dash clusters that are not Rally Pack systems
• Aftermarket or non-Delco tachometers

Included:

• 1 circuit board
• White wire
• Black wire
• Mounting bolts

Installation notes:

• White wire = tach signal (coil)
• Black wire = ground
• Soldering required
• For points ignition, a 12V jumper wire is required

Required order note:
Include your engine type and maximum RPM of the gauge when ordering.
Example: 8cyl, 6000RPM

This board is calibrated to the information provided at checkout.

Please verify your original tach uses the large round 3-hole board before ordering.