Trick Front Springs, Pair with Coil Spring Rate (LBS./) 240 FRONT END WEIGHT (LBS.)*: 1690-1750 Fits: BUICK 1964-67 GS, Special, Skylark, Regal. 1968-74 Apollo. CHEVROLET 1955-57 Bel Air. 1967-69 Camaro. 1964-67 Chevelle, El Camino, Malibu. 1968-74 Nova. OLDSMOBILE 1964-67 Cutlass, 442. 1968-74 Omega. PONTIAC 1967-69 Firebird, Trans-Am. 1964-67 GTO, LeMans, Tempest. 1968-74 Ventura Designed for Drag Racing where maximum weight transfer is needed Trick Front Springs are tall, small wire diameter coil springs that hold a great amount of stored energy for instant weight transfer Replaces stock OEM springs with no modifications required Two per package