These front 3", 4", and 5" springs are now available in a heavy-duty version with a 25% higher spring rate. The HD leaf springs are great for heavier trucks and 4Runners with full bodies and exo-cages, V6 Toyota and Tacoma applications, and also works great for V6 and V8 engine swaps. The length is the same as our super flex spring, but with a higher spring rate the spring will hold its arch and lift longer.

Part #Description
TRG-110221-1-K3" HD Springs - Front
TRG-110222-1-K4" HD Springs - Front
TRG-110065-1-K5" HD Springs - Front


These springs are not a direct OEM replacement, installation requires the relocation of some mounting brackets


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