Back at it again! Testing new port and valve seat combos.. more flow analysis trying to squeeze out every last bit.
by xpr_motorsports · 8 years ago · via Instagram
by xpr_motorsports · 8 years ago · via Instagram
by alldonemonkey · 8 years ago · via Instagram
by alldonemonkey · 8 years ago · via Instagram
by alldonemonkey · 8 years ago · via Instagram