I've had this manifold stashed, thinking it's 55.1 back to ? With the wider inner stud spacing than later model.
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IMG_20230619_122634891.jpg (269.09 KB, 199 downloads)
IMG_20230619_122729615_HDR.jpg (328.63 KB, 194 downloads)

Last edited by BC59; 11/02/2025 12:33 AM. Reason: distracted

BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022