Spectre · New
Spectre Header Reducer Kit - 2-1/2in.
MPN 4642 · Store SKU spe4642
Supplier stock checked 11/8/2026, 10:58:34 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Spectre's 2 1/2 inch - 2 1/4 inch Reducers include an extra thick 1/8 inch gasket. This reducer features nickel-plated steel and the gasket is made from compressed ceramic fiber (CCF), which far exceeds typical non-asbestos type gaskets. CCF will not deteriorate or crack from excessive heat or pressure. Nuts and bolts are included ensuring optimum fit and function. Spectre's 2 1/2 inch - 2 1/4 inch Reducers include an extra thick 1/8 inch gasket. HEADER REDUCER KIT; 2-1/2in. Header Reducer Kit
Manufacturer fitment & guides
Check 4642 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y