Competitor Glove SI21300MR Kaeding Performance With only 210cc port volume

With only 210cc port volume (same as stock LS1 head) this is an incredible 70 CFM increase over stock casting

4 GPM-12AN Inlet with -8AN Outlet Suit Blown Methanol Applications

Bare Ford 390-428 170cc Aluminium Cylinder Heads with 72cc Chamber (Pair)2

Hex Head Black Oxide3/8" UNC x 4

Standard combustion chamber volume is 121cc for our 357cc BBC

Competitor Glove SI21300MR Kaeding Performance With only 210cc port volumeCompetitor GloveMedium, Red, SFI & FIA Approved SI21300MR 21300MR Meets FIA and SFI 3. 3 5 Requirements Nomex Construction; distinctive white trim out Silicon palm and touch points for superior grip and limited bunching