CLASS RACER FORUM - View Single Post - H-I-J '76 Nova re-fit.

Greg Reimer 7376 · 06-02-2019, 10:41 AM

The NHRA legal replacement part number for a 4 inch bore SBC with a 2 piece rear main seal is 31161111. Summit shows it in their catalog for $1718.26 on page 124. That's the March-April catalog.

06-02-2019, 10:41 AM	#1219
Greg Reimer 7376 VIP Member Join Date: Nov 2008 Location: Glendora,Calif. Posts: 1,115 Likes: 166 Liked 654 Times in 209 Posts	Re: H-I-J '76 Nova re-fit. The NHRA legal replacement part number for a 4 inch bore SBC with a 2 piece rear main seal is 31161111. Summit shows it in their catalog for $1718.26 on page 124. That's the March-April catalog.