Family owned and operated since 1982, Enginetech is the Engine Builder’s source for high quality engine parts. Enginetech offers a complete line of products for virtually every engine, including import and domestic engines. Our product line includes complete engine kits as well as individual components to suit your needs. We offer nationwide distribution, and incredible customer service. Enginetech parts are engineered specifically for the engine rebuilder. We treat our customers as we ourselves would want to be treated, and we are passionate about going above and NotesPiston ring size: Standard. Features Consistent end gaps following SAE guidelines Ductile iron top rings increase tensile strength Precise machining for guaranteed fit Premium top ring facings improve performance Superior ring packaging eliminates confusion Application Summary2000-2002 Audi S4 2.7L 2671CC -CID V6 DOHC 30 Valve Turbocharged GAS2000-2003 Audi A6 Quattro 2.7L 2671CC -CID V6 DOHC 30 Valve Turbocharged GAS2001-2005 Audi Allroad Quattro 2.7L 2671CC -CID V6 DOHC 30 Valve Turbocharged GAS2004 Audi A6 Quattro 3.0L 2976CC -CID V6 DOHC 30 Valve Naturally Aspirated GAS Part Numbers: Specifications Brand: Enginetech Part Number: S81236-STD Part Type: Engine Piston Ring Set UPC: 707473999878 GTIN: 00707473999878 Item Dimensions: 10 x 5 x 2 IN Item Weight: 0.5 lb Package Dimensions: 10 x 5 x 2 IN Package Weight: 0.5 LB Package Quantity: 1 EA Oversized: No Interchange Hastings: 2M4584 Topline: RSVW18 Safety Auto Parts Corp: 2M4584