Marshall cylinder heads are cleaned and remanufactured to perform like new.
Marshall’s quality programs enforce excellence in every operation, from
hand repair to state-of-the-art 3-angle seat cutting.
- Prepaid return shipping label for return of core included
- High quality seals
- Valves and Springs installed
- Bake cleaned then shot blasted
- 3-angled cut on valve seats
- 100% mag inspected
- Vacuum tested for perfect seal
- Decks milled & surface checked
- Marshall Exclusive: final oil pressure bench-mark tested (on OHC Heads)
- Camshaft(s) and followers installed where applicable (noted as OHC or DOHC)
- 100% Pressure Tested
|MARSHALL Warranty InformationLong Blocks non-commercial 36 Months/100K miles parts & labor (DIY install, parts only). Installs in ambulance, package delivery, snow removal, tow truck, or vehicles greater than 1 Ton 18 months or 100,000 miles (DIY install, parts only). Installed in Class A motor home no warranty. Long Block warranty details. Transmissions 3 year/100,000 mile. Transmission warranty details. Cylinder head kits 90 days/4K miles. Crank kits no warranty. Marine warranty details.|