Mr. Gasket
HEADER INSTALL KIT-SB CHEV SQU
SKU: M00S 7650G
Description
Part #: 7650G
Header Installation Kit - Chevrolet V8 1955-91 265-400 Square Port. Includes gaskets and fasteners necessary for header installation. Made using premium Ultra-Seal exhaust and collector gaskets. Mr. Gasket header and collector bolts deliver necessary clamp-load to seal flange mating surfaces.
Features:
- Square Port Header Gaskets
- Port Size 1.45" x 1.48"
- Collector Gaskets 3.00" Diam. 3-Bolt Style
- Includes Header Bolts & Collector Bolts
Fits 1955-1991 Chevrolet 265-400 Gen I Small Block with Square Ports
Fitment
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Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 7650G |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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