Cometic Gasket · New
Cometic Street Pro GM 1967-88 350ci 1970-76 400ci Small Block Bottom End Gasket Kit
MPN PRO1003B · Store SKU cgsPRO1003B
Supplier stock checked 11/7/2026, 5:45:40 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
COMETIC StreetPro Kits cater to the budget-minded street-rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad. Cometic Street Pro Kits are geared toward the street rider who is looking to purchase a kit with all necessary gaskets and seals needed for your rebuild. Chevrolet 350/400 Gen-1 Small Block V8 Bottom End Gasket Kit, 2 Piece Rear Main Seal Chevrolet 350/400 Gen-1 Small Block V8 Bottom End Gasket Kit; 2 Piece Rear Main Seal Chevrolet 350/400 Gen-1 Small Block V8 Bottom End Gasket Kit
Manufacturer fitment & guides
Check PRO1003B against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y