MPD Birdcage Flag - Black - MPD Sprint Car Birdcage AA0112EG2T63 The relief valve features a

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

Roll Bar Accessory Clamp

Solid Axles

MPD Birdcage Flag - Black - MPD Sprint Car Birdcage AA0112EG2T63 The relief valve features aProduct 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