WebPorsche 911, 924S, 928, 944, and 968 Bosch 'Platinum Plus 4' Spark Plug. 999.170.156.90, 99917015690, 999-170-156-90, 4477, 4310, Double the amount of pure platinum with four electrodes and surface air gap … WebBosch Platinum +4 adds 75% more pure platinum to its center electrode, providing longer life and optimal performance to the spark plug. With Bosch Platinum +4 Spark Plugs …

A&A Auto Stores - Bosch Spark Plug Platinum+4 4479 Spark Plug

WebDec 12, 2009 · 8,531 Posts. #20 · Dec 12, 2009. taibinhvuong said: I used Bosch Platinum +4 and I like it very much. I think Bosch plugs give my engine a little more power than NGK BKR6EQUP, but you can use either one. You probably thought that the Bosch plugs were better because the NGKs you were using had 100k+ miles on them or something. WebFind many great new & used options and get the best deals for Bosch Platinum 4 #4418 Set of 8 Spark Plugs at the best online prices at eBay! Free shipping for many products! … hera para muro

Bosch Spark Plug; Platinum+4; 4 Electrode 4479

WebFind many great new & used options and get the best deals for 4 X BOSCH PLATINUM 4 Performance Spark Plugs # 4479 - at the best online prices at eBay! Free shipping for … WebDec 31, 2004 · Product Description. Bosch Platinum+4 spark plug has unique revolutionary firing technology combining the advantages of surface air gap technology, nickel-yttrium four ground electrodes and a heat-fused center electrode with pure platinum providing optimum engine performance, smoother acceleration and top fuel efficiency. WebBosch Platinum+4 Spark Plugs If you require the best in performance and the longest performance life, Bosch Platinum+4 is the spark plug for you. Platinum+4's unique revolutionary firing technology combines the advantages of surface air-gap technology, four ground electrodes, and a heat-fused center electrode with more pure platinum, to create ... hera painting