1 results for chevy 454 big block torque bolts found in 0.000 seconds

kits power pkg cylinder heads big-block chevy b/b chevy street legal street ... -performance performer performer rpm 454-o · these oval port heads will support ... over 540 hp with 9.5:1 edelbrock b/b chevy heads fit compression when used as part ... shape produces flow similar to gen vi blocks rectangular ports but the smaller port ... weight performer and performer rpm 454-o heads feature 110cc combustion chambers ... streetable compression ratios performer 454-o chamber size intake port size valve ... 2.19 1.88 60469 60479 performer rpm 454-o chamber size intake port size valve ... .88 60449 60459 polished performer rpm 454-o 110cc 290cc 2.19 1.88 n/a 604519 ... performer rpm 454-o retains the stock exhaust bolt pattern ... exhaust manifolds or headers performer 454-o heads are street legal in all 50-states ...