{"product_id":"empi-gt-4-performance-cam","title":"EMPI GT-4 Performance Camshaft for Air-Cooled VW, 300 Degree Duration","description":"\u003cp\u003eThe GT-4 is the longest duration grind in the GT Series at 300 degrees, intended for large displacement engines used in drag racing and off-road competition. It is ground from a new chilled cast iron billet, Parkerized for break-in and clearanced for stroker cranks.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eValve lift: .455 in. at 1.1:1 rocker ratio\u003c\/li\u003e\n\u003cli\u003eCam lift: .414 in.\u003c\/li\u003e\n\u003cli\u003eDuration: 300 degrees\u003c\/li\u003e\n\u003cli\u003eMaterial: chilled cast iron billet, Parkerized, stroker clearanced\u003c\/li\u003e\n\u003cli\u003eComparable to: Engle W125\u003c\/li\u003e\n\u003cli\u003eIncluded: grade 8 hardware, assembly lube and cam card\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eFor large displacement air-cooled VW engines in drag racing and off-road competition. This is a competition profile, so check valve spring and valve-to-piston clearance for your combination before ordering, and fit new EMPI lifters, part number 21-4300-0. PMB Performance has worked with air-cooled Volkswagen and Porsche parts for over 20 years. Send us your engine specification if you want the cam choice confirmed before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/GT-4_77-2107-0-EMPI-Camshaft-Trifold_W_text.pdf?v=1793034661\"\u003eGT-4 77-2107-0 spec card (PDF)\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"specs\"\u003e\n\u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e707924577365\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.5 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":50528750305458,"sku":"77-2107-0","price":86.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/77-2101-0-scaled_c433560a-f9fa-4591-bd59-178991ab5f98.jpg?v=1792097532","url":"https:\/\/pmbperformance.com\/products\/empi-gt-4-performance-cam","provider":"PMB Performance","version":"1.0","type":"link"}