Collection: Engines and Components
90racing is a supplier of performance crate engines, engine components, racing engines, and performance auto parts. Same day shipping, and orders over $90 ship for free! .
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PAC Spring Shims - 1.250 OD .030 Thick PAC-S189-16
Regular price $42.86 USDRegular priceUnit price / perSale price $42.86 USD -
PAC Spring Shims - 1.250 OD .050 Thick PAC-S188-16
Regular price $42.86 USDRegular priceUnit price / perSale price $42.86 USD -
PAC Spring Shims - 1.500 OD .015 Thick PAC-S187-16
Regular price $32.15 USDRegular priceUnit price / perSale price $32.15 USD -
PAC Spring Shims - 1.500 OD .020 Thick PAC-S186-16
Regular price $32.15 USDRegular priceUnit price / perSale price $32.15 USD -
PAC Spring Shims - 1.500 OD .030 Think PAC-S185-16
Regular price $42.86 USDRegular priceUnit price / perSale price $42.86 USD -
PAC Spring Shims - 1.500 OD .050 Thick PAC-S184-16
Regular price $47.86 USDRegular priceUnit price / perSale price $47.86 USD -
PAC Spring Seat - Chromoly 1.350 x .575 .060 Thick PAC-S161-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD -
PAC Valve Spring Seats GM 604 Crate Engine PAC-S142-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD -
PAC Chromoly Spring Seats - .575 ID PAC-S138-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD -
PAC Chromoly Spring Seats - For RPM Duals .510 ID PAC-S136-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD -
PAC Chromoly Spring Seats - For RPM Duals .570 ID PAC-S135-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD -
PAC Steel Chromoly Spring Seats - 1.500 x .715 x .570 PAC-S134-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USDSold out -
PAC Steel Chromoly Spring Seats - 1.650 x .630 x .570 PAC-S133-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD -
PAC Steel Chromoly Spring Seat - 1.650 x .630 x .570 PAC-S133
Regular price $5.95 USDRegular priceUnit price / perSale price $5.95 USD -
PAC Steel Chromoly Spring Seats - 1.550 x .680 x .520 PAC-S129-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD -
PAC Steel Chromoly Spring Seats - 1.270 x .600 x .520 PAC-S128-16
Regular price $86.48 USDRegular priceUnit price / perSale price $86.48 USD