Doing a little dyno testing today👊🤘 Naturally Aspirated 434ci sleeved 5.3 with M311 Heads🔥 M311 Heads
IN STOCK AND READY TO SHIP Fully CNC ported, 68cc chamber volume 273cc intake port, 112cc exhaust port and 11° valve angle High Quality Components: Black Another day, another build Dart 393ci complete with Solid Roller M311 Boost Monsters 1800hp capable Just a little recap of my build shooting for 10s all motor pass 4500 race weight. ...