Description New current design and style has greater clearance to be used in an AW11 MR2, now uses cylinder heads dowels for alignment and even more exact port matching!! I put bars on prime and bottom to support the manifold and keep everything in line. since they taper I'd ribs https://4age-engine-for-sale50481.bluxeblog.com/58698669/the-single-best-strategy-to-use-for-4age-engine-for-sale