The Supercar Registry

The Supercar Registry (https://www.yenko.net/forum/index.php)

- Technical & Restoration (https://www.yenko.net/forum/forumdisplay.php?f=86)

- - 456 GEARS (https://www.yenko.net/forum/showthread.php?t=88901)

BARRY

10-19-2006 06:41 AM

456 GEARS

HI CAN SOME ONE TELL ME THE RING AND PINION NUMBERS FOR FACTORY 456 THANKS BARRY

Mr70	10-19-2006 07:12 AM

Re: 456 GEARS

GM Part #3917973

Mr70	10-19-2006 07:44 AM

Re: 456 GEARS

..and #3961410 also before Mar.1972 for ALL Vehicles.

69L72RS

10-19-2006 07:09 PM

Re: 456 GEARS

GM Part #3917973 is stamped 3916230-3916231 = HD parts list
special heat treat

GM Part #3961410 is stamped 3862514-3862516 = Standard production

Both part numbers overlap back to 1967, I think.

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