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PRODUCTS
We design fewer products for more impact.
Each SMOGDOCTOR category is engineered to solve real-world problems with fewer cans, clearer choices, and better results.
From the first ignition to the final stop, it flows with purpose
Easing strain, quieting motion, and helping your vehicle feel new every time.
XTREME RACING
HC-EC SYNTHESIS
Functional oil that reduces blow-by gas by improving the seal between the piston ring and the cylinder wall
It reduces blow-by gas and exhaust gas, and improves quietness and abrasion resistance. It also suppresses carbon and sludge formation, making it suitable for vehicles equipped with GPF and DPF.
XR 5W30
Specifications and standards
SAE: 5W-30
API: SN
ACEA: C2/C3
Requirements of:
BMW Longlife-04; MB 229.51/229.52; VW 502.00/505.00/505.01
Renualt RN 0700/0710; GM DEXOS2
XR 5W40
Specifications and standards
SAE: 5W-40
API: SN
ACEA: C3
Requirements of:
BMW Longlife-04; MB 229.31/229.5; VW 502 00/505 00/505 01 PORSCHE A40;
RENAULT RN 0700/0710; GM DEXOS 2
XR 10W30
Specifications and standards
SAE: 10W-30
API: SP
ACEA: A5/B5
Requirements of:
ILSAC GF-6A; GM 4718M/GM 6094M
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XR 10W40
Specifications and standards
SAE: 10W-40
API: SN
ACEA: A3/B4
Requirements of:
MB approval 229.3, VW 502.00/505.00, RENAULT RN 0700
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