PRODUCT DESCRIPTION
Fits: Big Block 383, 400, 440
•Fits cylinder heads: OEM, B1BS Sportsman, Brodix B1BS, Bulldog, Edelbrock E-Street, Edelbrock Performer RPM, Edelbrock Victor, Indy-EZ, Indy-440SR, Indy-440-1, Koffel's Original B1, Procomp, Stage5, Stage6, 440-Source, Factory 915 or 452
•Port size: 1.995w x 1.550h
• Used on TTI Headers: 383440-134, 383-178, C6573-383178, C6573-440178, 44025, 440-178, 440-200, 400IB-218, 400SR-218, 440-218, 440BR-218, 440-214, 440218MC
•Thick: 1/16"
