Replaces OEM part #
Fits Manifold: 18-1957-1, 18-1952-1, 18-1958, 18-1962
Manifold Spacers: 18-1985, & 18-1908
Riser: 18-1976-1, 18-1970-1, 18-1974
Included in 18-8554 mounting kit
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