aFe 18-23 Volkswagen Atlas V6-3.6L Silver Bullet Throttle Body Spacer Kit 1977-gmc-k35-high-sierra-esi9654502 NS5-XTR4 kit features an Xtreme

NS5-XTR4 kit features an Xtreme pressure plate for the most demanding driver

ACL Acura D16A1 / 97-01 Honda H22A4 / 98+ F23A Standard Size High Performance Main Bearing Set

HA3-HDG6 kit features ACT's most popular Heavy Duty pressure plate

Hot side tube fitment

HC4-HDG4 kit features ACT's most popular Heavy Duty pressure plate

aFe 18-23 Volkswagen Atlas V6-3.6L Silver Bullet Throttle Body Spacer Kit 1977-gmc-k35-high-sierra-esi9654502 NS5-XTR4 kit features an XtremeThe Serrated Helix combination design creates intake turbulence in the combustion chamber. This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower, torque and improving throttle response. The Serrated Helix combination design also reduces intake whistle that occurs with Helix only designs. All Silver Bullet Throttle Body Spacers are constructed from 6061 T6 billet aluminum precision machined for light