Landrum Conventional Coil Spring 5.0" OD 16.000" Length 200 lb/in Spring Rate - Rear HSXLG11PA The E-Tuner 4 app uses

The E-Tuner 4 app uses a Bluetooth wireless connection to communicate with the ECU's self-learning capability to continually adjust the calibration to get maximum performance

Ultra-lightweight carbon shell: 1095g in sizes 54 to 56 and 1130g in sizes 57 to 59 (+ or - 3%)

Gundrilled mains for further weight reduction

"" A Grant Installation Kit is necessary to mount this wheel to a vehicle

1964-1967 Chevrolet Malibu CID 350

Landrum Conventional Coil Spring 5.0" OD 16.000" Length 200 lb/in Spring Rate - Rear HSXLG11PA The E-Tuner 4 app usesProduct Description: Coil Spring Conventional 5 in OD 16 in Length 200 lb in Spring Rate Rear Steel Gold Powder Coat Sold Individually Consistent Performance and Reliability Landrum Performance Springs give you the consistent high performance and reliability you need. We use state of the art designs, materials, and manufacturing processes to produce race springs that out perform the competition and help put you in victory lane. Lightweight, High