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STP Synthetic Engine Flush 15oz

$5.99

Estimated delivery time:
3-5 days.

Free shipping:
On all orders over $50.

Guaranteed Safe Checkout:

STP® Synthetic Engine Flush is scientifically engineered to deep clean the engine for a better oil change. The high-performance cleaning agents actively clean deposits in the engine and help reduce sludge and varnish on cylinder heads. The high-quality synthetic base stock is compatible with low viscosity oils and conventional oils.

Key Features:

  • High-Performance cleaning agents
  • Resistant to break down at high operating temperatures
  • Helps reduce sludge and varnish on cylinder heads
  • Compatible with conventional and synthetic motor oils.

Orders ship within 1–3 business days. We offer free standard U.S. shipping on orders over $50.

Returns accepted within 14 days of delivery for unused items in original packaging. Email us to request a return or refund.

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