Skunk2 Alpha Series Honda/Acura D Series Valve Spring and Titanium Retainer Kit 1999-ford-f-450-super-duty-esi4783486 2015-2017 Mercedes-Benz S600 Base 2006-2013

2015-2017 Mercedes-Benz S600 Base 2006-2013

"name": "Do I need any additional parts to install these headers

it guarantees long-lasting quality and performance

and long-term durability

Speed Engineering's 1-7/8" longtube headers are dyno proven to add over 25 rear-wheel horsepower on 1998–2002 Camaro and Firebird LS1 applications compared to stock exhaust manifolds

Skunk2 Alpha Series Honda/Acura D Series Valve Spring and Titanium Retainer Kit 1999-ford-f-450-super-duty-esi4783486 2015-2017 Mercedes-Benz S600 Base 2006-2013Skunk2 is proud to introduce its Alpha Valve Spring and Titanium Retainer Kit for Honda's D series VTEC engines. Each kit includes Skunk2's high quality valve springs and race proven titanium retainers that are the result of nearly two decades of racing and engine building experience. Manufactured exclusively from super clean, chrome silicone wire milled in Japan, Skunk2's Alpha Valve Springs for Honda's D series VTEC engines are a product of the