Quick view Sinister Diesel Sinister Diesel 99-10 Ford Powerstroke 7.3/6.0/6.4 / 07.5-19 Dodge Cummins 6.7C Oil Fill Cap - Gray - SDG-FC-OIL Compare $129.99 $99.99 This new Sinister Diesel Oil Fill Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits 1999-2010 Powerstroke engines and 2007.5-2019 Dodge/Ram Cummins engines. It is made from CNC machined, solid billet T6-6061... Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap - SD-DC-DMAX-01 Compare $100.09 $76.99 This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2001-2016 GM Duramax. It is made from CNC machined, solid billet T6-6061... Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 20+ Ford Powerstroke 6.7L Coolant Reservoir (Degas) Cap - SD-DC-6.7P-20 Compare $100.09 $76.99 Sinister Diesel 20+ Ford Powerstroke 6.7L Coolant Reservoir (Degas) Cap Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 13-19 Cummins 6.7L Coolant Reservoir (Degas) Cap - SD-6.7CDC13 Compare $100.09 $76.99 This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2013-2019 Dodge Ram 2500 3500 6.7L Cummins. It is made from CNC machined, solid... Add to Cart Add to Cart
Quick view Sinister Diesel Sinister Diesel 01-16 GM Duramax 6.6L Coolant Reservoir (Degas) Cap - Gray - SD-6.6DC01-GRY Compare $100.09 $76.99 This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2001-2016 GM Duramax. It is made from CNC machined, solid billet T6-6061... Add to Cart Add to Cart
Quick view COBB Cobb 2002+ Subaru WRX / 2004+ Subaru STI/Forester XT Delrin Oil Cap - 800515 Compare $85.00 $76.99 Cobb 2002+ Subaru WRX / 2004+ Subaru STI/Forester XT Delrin Oil Cap Add to Cart Add to Cart
Quick view COBB Cobb Subaru Oil Cap - Stealth Black - 800510-BK Compare $85.00 $76.99 Cobb Subaru Oil Cap - Stealth Black Add to Cart Add to Cart
Quick view GReddy Greddy Type-B Oil Filler Cap Mazda 33.7 - Chrome - 13901524 Compare $88.00 $83.99 Greddy Type-B Oil Filler Cap Mazda 33.7 - Chrome Add to Cart Add to Cart
Sold Out Quick view BLOX Racing BLOX Racing Xtreme Line Titanium Honda Oil Cap - BXAC-00502-TI Compare $140.00 $112.99 BLOX Racing Xtreme Line Titanium Honda Oil Cap Currently Out of stock. On order! Currently Out of stock. On order!
Quick view Radium Engineering Radium Engineering GM LS Baffled Oil Cap - 20-0588 Compare $79.95 $75.99 This cap replaces the factory oil filler cap found on many GM engines including the LS V8. It features a center port that is used as a crankcase vent point. Includes 2" breather filter and adapter fitting. Add to Cart Add to Cart
Quick view Radium Engineering Radium General Motors Baffled VTE Kit Oil Cap - 20-0587 Compare $109.95 $104.99 This kit creates a high-flow engine vent port using the billet oil fill cap and includes hose and a billet aluminum PCV valve to connect to the intake manifold. This creates a closed loop vent system that pulls fresh air through the engine. This system... Add to Cart Add to Cart
Quick view HKS HKS BMW Type 4 Oil Filler Cap Cover - 24003-LB004 Compare $98.00 $88.99 HKS BMW Type 4 Oil Filler Cap Cover Add to Cart Add to Cart