Fel-Pro

Bore Size:  4.180" Head Application:  N/A Compressed Volume:  8.9cc Compressed Thickness:  .039" Application: Small Block Chrysler Special Notes:  Has Steam Holes ...

Bore Size:  4.100" Head Application:  Iron / Aluminium Compressed Volume:  3.2cc Compressed Thickness:  .015" Application: Small Block Chevy Special Notes:  Does Not...

Bore Size:  4.125" Head Application:   N/A Compressed Volume:  8.7cc Compressed Thickness:  .039" Application: Small Block Chevy Special Notes:  Does Not Have...

Bore Size:  4.180" Head Application:   Iron / Aluminum Heads Compressed Volume:  9.0cc Compressed Thickness:  .039" Application: Small Block Chevy Special...

Bore Size:  4.200" Head Application:   Iron / Aluminum Heads Compressed Volume:  11.2cc Compressed Thickness:  .051" Application: Small Block Chevy Special...

Bore Size:  4.080" Head Application:   Aluminum Heads Compressed Volume:  8.2cc Compressed Thickness:  .039" Application: Small Block Chevy Special Notes:  Does Not...

Bore Size:  4.250" Head Application:   Iron / Aluminum Heads Compressed Volume:  11.9cc Compressed Thickness:  .051" Application: Small Block Chevy Special Notes: ...

Bore Size:  4.200" Head Application:   Iron / Aluminum Heads Compressed Volume:  9.3cc Compressed Thickness:  .041" Application: Small Block Chevy Special Notes:  Does...

Bore Size:  4.200" Head Application:   Iron / Aluminum Heads Compressed Volume:  9.0cc Compressed Thickness:  .039" Application: Small Block Chevy Special Notes:  Does...

Bore Size: 4.166" Head Application: Aluminum Heads Only Compressed Volume: 8.9cc Compressed Thickness: .039" Application: Small Block Chevy Special Notes: 4.155" Bore Max, Does Not Have Steam...

Bore Size: 4.190" Head Application: Iron/Alum Compressed Volume: 9.2cc Compressed Thickness: .041" Application: Small Block Chevy Special Notes: Does Not Have Steam Holes. Quanity: Sold...

Bore Size: 4.166" Head Application: Iron/Alum Compressed Volume: 9.1cc Compressed Thickness: .041" Application: Small Block Chevy Special Notes: 4.155" Max Bore, Not for Alum Blocks, Does Not...

Port Size:  1.18" x 2.20" Head Application: N/A Thickness:  .060" Application: '65-79 Only Special Notes: N/A Material Construction: Std. Printoseal  Quanity:  Sold As...

Port Size:  1.40" x 2.40" Head Application: N/A Thickness:  .060" Application: Big Block Oldsmobile Special Notes: N/A Material Construction: Std. Printoseal  ...

Port Size:  1.82" x 2.45" Head Application: A460 Cyl. Head  Thickness:  .060" Application: Big Block Ford Special Notes: N/A Material Construction: Std. With Coating ...

Port Size:  1.40" x 2.34" Head Application: N/A Thickness:  .060" Application: Std. And Low Riser 428 CJ, 428 SCJ Special Notes: N/A Material Construction: Std. Printoseal ...

Port Size:  1.88" x 2.65" Head Application: 4BBL Heads   Thickness:  .060" Application: '70-74 Special Notes: N/A Material Construction: Std. Printoseal Quanity:  Sold...

Port Size:  1.83" x 2.20" Head Application: SVO Cyl. Head M6049 A Only Thickness:  .060" Application: Trim To Fit Special Notes: N/A Material Construction: Std. With Coating ...

Port Size:  1.23" x 2.27" Head Application: N/A Thickness:  .030" Application: '61-78 361, 383, 400 Special Notes: N/A Material Construction: Metal "Bathtub" Quanity:  Sold As...

Port Size:  1.16" x 2.27" Head Application: 360 Thickness:  .060" Application: '67-89 318 / 68-80 340   Special Notes: N/A Material Construction: Std...