{"product_id":"forged-piston-set-81mm-1-8l-20v-vw-audi-head-stud-set","title":"Forged piston set 81mm 1.8L 20V VW\/AUDI + Head Stud Set - PRE SALE","description":"\u003cdiv\u003e\n\u003ch3\u003e\n\u003cem\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 12pt; font-family: Arial, sans-serif; color: rgb(255, 42, 0);\"\u003ePre-Sale\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cem\u003e\u003cspan style=\"font-family: Arial, sans-serif; color: rgb(255, 42, 0); background: white;\"\u003e\u003c\/span\u003e\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003ch4 class=\"MsoNormal\"\u003e\u003cem\u003e\u003cspan style=\"font-family: Arial, sans-serif; color: rgb(255, 42, 0); background: white;\"\u003eTake advantage of this great opportunity and buy this product at an unbeatable price! This item will be available for delivery approximately 12\/30\/2025.\u003c\/span\u003e\u003c\/em\u003e\u003c\/h4\u003e\n\u003cp\u003eFor VW\/AUDI 1.8 20V engines\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eNominal bore diameter: 81mm (increase engine displacement to 1780cc)\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eRecommended bore to piston to bore clearance: 0.08mm (For nitrous or extreme applications, consult your builder)\u003c\/p\u003e\n\u003cp\u003ePiston ring grooves: 1.5 mm \/ 1.5 mm \/ 2.0mm\u003c\/p\u003e\n\u003cp\u003eCompression height: 32.70mm.\u003c\/p\u003e\n\u003cp\u003eDish volume: 7cc\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompression ratio: 8.5:1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePin offset: 1.10mm.\u003c\/p\u003e\n\u003cp\u003eMaterial: Forged aluminum 4032 T6.\u003c\/p\u003e\n\u003cp\u003eAverage piston weight (unit, without pin): 318,66g (11.2 oz).\u003c\/p\u003e\n\u003cp\u003eRated for 1000hp.\u003c\/p\u003e\n\u003cp\u003eInnovative high performance piston skirt design that provides:\u003cbr\u003e\u003cbr\u003e1. Smaller piston to bore clearance \u003cbr\u003e\u003cbr\u003e2. Less noise\u003cbr\u003e\u003cbr\u003e3. Better ring seal\u003cbr\u003e\u003cbr\u003e4. Higher power\u003cbr\u003e\u003cbr\u003e5. Durability\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eFeatures:\u003c\/p\u003e\n\u003cp\u003eAnti detonation grooves: protect the top ring by disrupting detonation waves and reduce piston-cylinder contact in high temperatures and engine RPM conditions.\u003c\/p\u003e\n\u003cp\u003eAccumulator groove: accumulates residual combustion gasses reducing top ring flutter and improving seal.\u003c\/p\u003e\n\u003cp\u003ePin oil lubrication by broaches and oiler to reduce friction and increase durability.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eSuper A Piston Pin (63.45mm) - 4pcs set\u003c\/p\u003e\n\u003cp\u003eFor VW 827 engines (Super A pistons)\u003c\/p\u003e\n\u003cp\u003eDimensions: 63.45mm x 20mm (length x O.D.)\u003c\/p\u003e\n\u003cp\u003eAverage unit weight: 116g (4.09 oz)\u003c\/p\u003e\n\u003cp\u003eRated for 1.000hp\u003c\/p\u003e\n\u003cp\u003eMade from special steel alloys that combines optimal mass with high resistance.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e\u003cspan\u003ePiston\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eRings 81mm SPA DLC series\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003eSpecifications:\u003cbr\u003e\u003cbr\u003e1º ring 1.5mm - Made from carbon steel, which is 35% stronger than cast iron and about 30% lighter. DLC treated, which is the application of carbon particles, that provides higher resistance and lower friction.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e2° ring 1.5mm - Made from cast iron.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e3º ring 2.0mm - Made by 3 parts, providing easy handling, better oil film stability and improvement in oil removal by the lubrication holes due to its optimized design.\u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e \u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e\u003cstrong\u003eVW\/Audi cylinder head stud set for 1.8 20V Transverse Engines Head Stud Set.\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe set contains 10 Studs 137mm \/ 10 special nuts\u003c\/span\u003e, \u003cbr\u003eThe studs are for M10 x 1.5 threads, please confirm with your OEM bolts before purchase.\u003cbr\u003eMaximum Torque - 72 ft\/lb\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"SPA TURBO USA","offers":[{"title":"Default Title","offer_id":45099022352618,"sku":"CMBMVL016JG037","price":749.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/MVLPTW01-MVLANLP06JG-EVJTCB14-EXPRIS20_39b17730-a834-4b36-bc6b-34327ae62494.jpg?v=1773656871","url":"https:\/\/www.k2-industries.com\/en-xk\/products\/forged-piston-set-81mm-1-8l-20v-vw-audi-head-stud-set","provider":"K2 Industries","version":"1.0","type":"link"}