{"product_id":"sb-gfb-sr20det-lightweight-underdrive-crank-pulley-2005","title":"GFB SR20Det Lightweight Underdrive Crank Pulley 2005","description":"SR20DET Lightweight Underdrive Crank Pulley.\u003cbr\u003e\u003cbr\u003eSuits RWD versions of the SR20DET, as found in the S13-S15 200SX\/Silvia and 180SX. Along with the performance improvement, this pulley benefits high-revving engines by underdriving the water pump, which helps prevent cavitation and subsequent overheating when drifting\/circuit driving.\u003cbr\u003e\u003cbr\u003eDoes NOT suit non-turbo SR20 engines or transverse mounted SR20DET.\u003cbr\u003e\u003cbr\u003eThis pulley does require shorter belts which are not supplied, as the required belts will differ between engines.\u003cbr\u003e\u003cbr\u003eTypically S13-14 models use a 4-rib belt on the power steering, whilst S15 models use a 3-rib belt. This pulley will accommodate either, but it is worth checking your engine before sourcing belts.\u003cbr\u003e\u003cbr\u003eFor 4-rib power steering, you need:\u003cul\u003e\n\u003cli\u003e1x 5PK900\u003c\/li\u003e\n\u003cli\u003e2x 4PK860\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003eFor 3-rib power steering, you need:\u003cul\u003e\n\u003cli\u003e1x 5PK900\u003c\/li\u003e\n\u003cli\u003e1x 4PK860\u003c\/li\u003e\n\u003cli\u003e1x 3PK845-860\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003eThe best lightweight pulley kit for NISSAN 180SX S13 20 SR20DET--The GFB 200SX Crank Pulley 2005.\u003cbr\u003e\u003cbr\u003eGFB's lightweight underdrive crank pulley (part number 2005) is made from anodized aircraft-grade billet 6061-T6 aluminium and offers sharper throttle response and faster acceleration. Kit includes: crank pulley only (shorter belts required).\u003cbr\u003e\u003cbr\u003eGFB pulleys are designed to improve acceleration by reducing the rotational mass (inertia) on the crankshaft as well as parasitic loads from the driven accessories. The effect is similar to a lighter flywheel, and the engine feels more lively and willing to rev.\u003cbr\u003e\u003cbr\u003eWe know that people are sometimes concerned about possible adverse effects of lightweight pulleys and underdriving, but rest assured we have done our homework! The underdrive ratios have been optimised to ensure there are NO adverse effects on the performance of the accessories, and whilst it is true that some engine types do suffer harmonic issues from lightweight pulleys, we steer clear of those. The kits we release are thoroughly application tested and do NOT cause engine damage in the short or long term.\u003cbr\u003e\u003cbr\u003eGFB products are manufactured in Australia and the company is accredited to ISO 9001, which ensures our products meet stringent quality requirements at all stages of manufacture.\u003cbr\u003e\u003cbr\u003eGFB have Australia's best performance turbo management solutions.","brand":"Bapcor","offers":[{"title":"Default Title","offer_id":47455621677309,"sku":"SBX-P6888851","price":578.76,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/8396\/7485\/files\/02-18.jpg?v=1777191394","url":"https:\/\/krenbits.com\/products\/sb-gfb-sr20det-lightweight-underdrive-crank-pulley-2005","provider":"Kren Bits","version":"1.0","type":"link"}