Steel material, Internal engine balance, Must be used with Ram flywheel bolts set #605-530.
Fits RamClutches 1501LW SBC Performance Lightweight Steel Flywheel
Fits RamClutches 1530 SBC Ext. Bal. Street Performance Steel Flywheel
Fits RamClutches 1511 SBC 0 Balance Street Performance Steel Flywheel
Fits RamClutches 1510-10 SBC Ext. Balance Circle Track Steel Flywheel
Fits RamClutches 1512-10 SBC Ext. Balance Circle Track Steel Flywheel
Fits RamClutches 1514-10 SBC '0' Balance Circle Track Steel Flywheel