MPD Birdcage Flag - Black - MPD Sprint Car Birdcage AA0112EG2T63 Very smooth idle

Very smooth idle

The relief valve features a screw in valve plug with the optional lower stock pressure spring supplied

Valve spring heights are more consistent as a result

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MPD Birdcage Flag - Black - MPD Sprint Car Birdcage AA0112EG2T63 Very smooth idleProduct Description: Birdcage Flag Aluminum Black Anodized MPD Sprint Car Birdcage Sold Individually For more than 30 years we at MPD have taken great pride in establishing our products as second to none in the industry. When John Bickford started this business, it was because he wanted his son (Jeff Gordon) to have the best. From those early track side days, MPD Racing Inc. was born. Our goal was to build the best component manufacturing company in