{"product_id":"pdi-3-91-diff-ratio-crown-wheel-and-pinion-set","title":"PDI 3.91 Diff Ratio Crown Wheel and Pinion Set","description":"\u003cp\u003eChanging diff ratio is the fix for a vehicle that has grown since it left the factory. Bigger tyres, a bar, a tray, a canopy and a camper all push the effective gearing the wrong way, and the engine ends up working in the wrong part of its range. A 3.91 ratio brings it back.\u003c\/p\u003e\n\u003ch3\u003eAre they strong enough?\u003c\/h3\u003e\n\u003cp\u003ePDI gears have run in a HDJ79 that has put down a 10.98 second quarter mile. The owner broke two 4340 chrome moly axles launching it. The gears were fine.\u003c\/p\u003e\n\u003ch3\u003eWhat is included\u003c\/h3\u003e\n\u003cp\u003eCrown wheel and pinion set with solid pinion spacers. Bearings and seals are not included - see the PDI diff bearing and seal rebuild kit.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eLandcruiser 76, 78, 79, 100, 105 and 80 Series. Note that 80 Series and some narrow nose 79 Series will also need the PDI pinion flange plates.\u003c\/p\u003e\n\u003cp\u003eManufactured by Performance Diesel Intercoolers. Supplied and backed by GTurbo.\u003c\/p\u003e","brand":"PDI","offers":[{"title":"Front and Rear set","offer_id":67734420848883,"sku":"PDI-CP-3.91-F+R","price":1200.0,"currency_code":"AUD","in_stock":true},{"title":"Front only","offer_id":67734420881651,"sku":"PDI-CP-3.91-F","price":700.0,"currency_code":"AUD","in_stock":true},{"title":"Rear only","offer_id":67734420914419,"sku":"PDI-CP-3.91-R","price":700.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/4241\/2531\/files\/PDI3.9DiffRatioCrownWheelandPinionsets76_78_79_100_105and80.png?v=1791940660","url":"https:\/\/gturbo.com.au\/products\/pdi-3-91-diff-ratio-crown-wheel-and-pinion-set","provider":"GTurbo","version":"1.0","type":"link"}