Bolt on and Push in style headers for Blockzilla: - 2 Stage Bolt on Header: 18.5" overall length, stage one 1.1250 or 1 1/8" OD, stage two 1.250 or 1 1/4" Od, Bolt holes are 1.500 center to center, Comes with exhaust gasket.
- 3 stage push in Header, 25.5" overall length, Stage one 1.250 or 1 1/4" OD, stage two 1.375 or 1 3/8 OD, stage three 1.500 or 1 1/2" OD, Comes with exhaust manifold and adaptor.
- Header can be purchased separately. Both headers are ceramic coated.
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