The only way to check compression is with a compression tester like this one.
The only way to check compression is with a compression tester like this one.
Great for a quick check for engine issues
Keep your engine block sealed
This cap is used for multiple applications and multiple locations, please verify part number before ordering.
Properly remove stubborn o2 sensors.
This product was last offered at the strikethrough price on
05-07-2026
Excellent corrosion protection for your battery and other connections
10X Entries Into Our F80 M3 Sweepstakes
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-31-2026
Includes connector housing with terminals and seals. Great for an OE replacement or custom upgrades.
10X Entries Into Our F80 M3 Sweepstakes
Please reference original part number from existing connector to confirm fitment, prior to ordering. *OEM
This product was last offered at the strikethrough price on
06-13-2026
This valve keeper tool is designed for installing valve keepers on all different types of engines with 5.5mm valve stems.
Custom made with 100% methanol resistant stainless steel spring and EPDM seals ensuring zero corrosion even with high concentrations of methanol.
incl. brackets/check valve/tubing
Use this quality hood prop to ensure your hood doesn't hit your head - make your life easier when you don't have a hood prop or don't trust your current prop.
ARP Ultra-Torque is the premier high performance engine fastener assembly lubricant on the market today!
This compact, 12V spark-proof jump starter is great for jumping gas vehicles with a 9.0L engine or less and diesel vehicles up to 7.0L, up to 80 times on a single charge.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-14-2026
Octanium Unleaded is formulated to provide the biggest octane boost – up to 7 numbers.
Safe for Catalytic converters and emissions equipment.
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi
The GENIUS2 is similar to the G1100, just better. It's 30% smaller and delivers 140% more power. And it's simpler and easier to use than ever before.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-14-2026
Change the way you change oil