BTR LS Intake Manifold - Cathedral Port

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BTR Trinity LS Cathedral Port Intake Manifold Product Details Compitble with LS (gen 3 and 4) cathedral port Short runner (4.425" length) Operating range: 6,000 to 8,500 RPM natura lly aspirated Operating range: 3,000 to 6,500 RPM boosted Accepts LS 4 bolt throttle bodies up to 105mm (has 105mm hole) Cast aluminum w/ black finish O ring sealed runners and cylinder head ports Fuel rails sold separately Requires BTR FRK 02 or FRK 02 12 fuel rail kit Does not fit with LS truck accessory drives Designed, cast and machined in the USA Helpful Links Show more