Chevrolet Performance 19171528 - LT4 Valve Spring Cap Kit

Kit for 5.7L LT4 engines. Includes 16 P/N 10212808 lightweight retainers. Use with spring kit P/N 12495494 and key kit P/N 12495503 Used on ZZ4, Fast Burn, LT4 and iron Vortec Bowtie heads