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Need to adjust the boost on your Whipple equipped 99-04 Lightning or 02-03 Harley Davidson F150? Then look no further as Whipple manufactures these high quality pulleys in several different sizes, ranging from 2.50" all the way up to 4.25" in .250" (1/4") increments. A rule of thumb is that each 1/4" of pulley diameter is about 2 psi in boost change. The pulleys are machined from billet aluminum and then black anodized. No special tools required for installation as they are secured with the same 4 allen head bolts used to mount the original pulley.
| Model | Year(s) |
|---|---|
SKU:SSV-210-RZ5-DR65K
SKU:FPP-M-6766-A50S
SKU:TRD-B914-C914