Bosch (4458) HGR8DQP Platinum +4 Spark Plug, Pack of 1 |
 | Brand: Bosch
Category: Automotive Parts and Accessories
List Price: $10.68
Buy New: $4.14
as of 7/28/2010 17:34 CDT details
You Save: $6.54 (61%)
New (7) from $4.14
Seller: AUTO PARTS 123
Rating:  2 reviews
Media: Misc.
Shipping Weight (lbs): 0.1
Dimensions (in): 3.4 x 1 x 0.9
MPN: 4458
Model: 4458
UPC: 288510190576
EAN: 0028851019552
Availability: Usually ships in 1-2 business days
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Features:
| • | Revolutionary surface air gap firing technology featuring four yttrium-enhanced ground electrodes delivers the longest, most powerful spark for ultimate engine performance | | • | Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended performance life | | • | Electrode gap is factory set to provide ease of installation - never requires adjustment | | • | Never requires gapping, the electrode gap is factory-set and never requires adjustment | | • | Provides ease of installation - never requires adjustment |
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Editorial Reviews:
Product Description
Bosch Platinum+4 has the most platinum in the Bosch Platinum plug series.ááPlatinum +4 unique firing technology combines the advantages of surface air gap technology and 4 yttrium enhanced ground electrodes.áThe fine wire platinum center electrode (which isáheat fused into the extended ceramic insulator) reducesáthe voltageánecessary to jump the gap as well as reduces quenching.ááTheá4 ground electrode design not only provides multiple radial spark pathsábut also the surface air gap designácreates optimal exposure of the air/fuel mixture to the enhanced ignition spark. The yttrium-enhancement of the ground electrodes even further extends plug life.áAll Bosch Platinum series spark plugs are designed to reach self cleaning temperature faster for quicker starts, smoother acceleration and increased fuel efficiency.
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Customer Reviews:
Good plugs. March 14, 2010
Michael A. Becker
My engine runs great with these plugs. I don't notice any performance difference, but these should last a lot longer than the plugs the last mechanic put in. My engine did misfire after installing these, but the problem was worn out plug wires. I installed Bosch wires and the engine purrs now.
98gmc April 18, 2010
Wai Chun Wong
Works great especially these pre-gap plugs..My 98 Safari is 12yrs old just wanted to use the best to pass smog... Beat our main auto supplier..Bosch (4458) HGR8DQP Platinum +4 Spark Plug, Pack of 1
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