{"product_id":"mechanical-fuel-pump-m4503-1968-chevrolet-specific","title":"Straight Swap Mechanical Fuel Pump For 1968 Chevrolet Impala Sbc Small Block Hella Reliable Steel Design Sweet Direct Bolt On Gas Delivery Smooth Cruiser Setup Badass Under Hood Muscle Car Upgrade","description":"\u003cdiv\u003e\n\u003cp\u003eBolt On Mechanical Fuel Pump For 1968 Chevy Impala Sbc Steel\u003cbr\u003e✔️ M4503 1pc Steel Pump For 1968 Impala Matches Airtex GM Style\u003c\/p\u003e \u003cp\u003eYou get a straight swap mechanical fuel pump ready for your 1968 Impala. This direct replacement drops right into your small block setup. You can rely on this steel unit for smooth gas delivery while cruising. It keeps things running tidy under the hood without extra fabrication.\u003c\/p\u003e ✅ Part number: M4503, sold as 1 piece per pack.\n✅ Fits 1968 Chevy Impala SBC engines perfectly.\n✅ Durable steel build handles pressure with ease.\n✅ Replaces OE styles and matches Airtex references. \u003cp\u003e💡 How do you test a mechanical fuel pump for steady pressure output?\u003cbr\u003eGet a pro tech to run a bench test so you see true results.\u003cbr\u003e- Watch for consistent stroke volume during every operating cycle.\u003cbr\u003e- Check the diaphragm response time against manufacturer spec ranges.\u003cbr\u003e- Inspect valve seating integrity to rule out internal bypass failures.\u003cbr\u003e- Compare flow rates with your carburetor requirement charts before install.\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"ONIX","offers":[{"title":"Default Title","offer_id":67895614079211,"sku":"M4503-Fuel Pump-1968-Chevrolet-Impala-OMP40446","price":60.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/SP1021MP_FRO_P01_220_b9ebcaf2-6383-49b2-ba0e-54ac1ea006ea.jpg?v=1791397666","url":"https:\/\/vxb.com\/products\/mechanical-fuel-pump-m4503-1968-chevrolet-specific","provider":"VXB Bearings","version":"1.0","type":"link"}