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GSC P-D Porsche GT3/GT3 (991) Single Conical Valve Spring Ti Retainer Steel Spring Seat Kit
Vendor:GSC Power DivisionYou save 15% ($173.25)Regular price $981.75Regular priceUnit price per$1,155.00Sale price $981.75Sale -
GSC P-D Nissan TB48 Ti Retainer Steel Spring Seat HP Conical Valve Spring Kit
Vendor:GSC Power DivisionYou save 15% ($143.10)Regular price $810.90Regular priceUnit price per$954.00Sale price $810.90Sale -
GSC P-D Nissan RB26DETT Shimless Conical Valve Spring & Ti Retainer Kit ( Max Boost PSI 50)
Vendor:GSC Power DivisionYou save 15% ($145.55)Regular price $824.80Regular priceUnit price per$970.35Sale price $824.80Sale -
GSC P-D Nissan TB48 Ti Retainer Steel Spring Seat Conical Valve Spring Kit
Vendor:GSC Power DivisionYou save 15% ($143.10)Regular price $810.90Regular priceUnit price per$954.00Sale price $810.90Sold out -
GSC P-D Subaru EZ36 Single Conical Valve Spring, Titanium Retainer Kit and Spring Seat Kit
Vendor:GSC Power DivisionYou save 15% ($130.85)Regular price $741.47Regular priceUnit price per$872.32Sale price $741.47Sale -
GSC P-D Single Beehive Spring Kit Titanium Retainers/Chromoly Seats 13-15 Scion FR-S / BRZ FA20
Vendor:GSC Power DivisionYou save 15% ($79.01)Regular price $447.72Regular priceUnit price per$526.73Sale price $447.72Sale -
GSC P-D VQ35DE (Turbo High Rev) Beehive Valve Spring and Titanium Retainer Kit
Vendor:GSC Power DivisionYou save 15% ($105.45)Regular price $597.57Regular priceUnit price per$703.02Sale price $597.57Sale -
GSC P-D VQ35DE Single Spring w/ Titanium Retainer Valvetrain Kit
Vendor:GSC Power DivisionYou save 15% ($105.45)Regular price $597.57Regular priceUnit price per$703.02Sale price $597.57Sale -
GSC P-D SR20 Single Spring w/ Titanium Retainer Valvetrain Kit
Vendor:GSC Power DivisionYou save 15% ($70.57)Regular price $399.92Regular priceUnit price per$470.49Sale price $399.92Sale -
GSC P-D Hyundai G4KF Theta Beehive Valve Spring and Titanium Retainer Kit
Vendor:GSC Power DivisionYou save 15% ($70.57)Regular price $399.92Regular priceUnit price per$470.49Sale price $399.92Sale -
GSC P-D Mitsubishi 4B11T Beehive Valve Springs & Ti Retainer Kit (Use w/OE Spring Seats)
Vendor:GSC Power DivisionYou save 15% ($70.57)Regular price $399.92Regular priceUnit price per$470.49Sale price $399.92Sale -
GSC P-D Mitsubishi 4G63T Beehive Valve Springs & Ti Retainer Kit
Vendor:GSC Power DivisionYou save 15% ($70.57)Regular price $399.92Regular priceUnit price per$470.49Sale price $399.92Sale -
GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit
Vendor:GSC Power DivisionYou save 15% ($70.57)Regular price $399.92Regular priceUnit price per$470.49Sale price $399.92Sale -
GSC P-D Nissan RB26DETT Extreme Shimless Conical Valve Spring & Ti Retainer Kit (Max Boost PSI 90)
Vendor:GSC Power DivisionYou save 15% ($175.55)Regular price $994.80Regular priceUnit price per$1,170.35Sale price $994.80Sold out -
GSC P-D Nissan RB26DETT High Pressure Shimless Conical Valve Spring & Ti Retainer Kit (Max PSI 60)
Vendor:GSC Power DivisionYou save 15% ($145.55)Regular price $824.80Regular priceUnit price per$970.35Sale price $824.80Sale -
GSC P-D Ford Mustang 5.0L Coyote Gen 3 Conical Valve Spring and Ti Retainer Kit
Vendor:GSC Power DivisionYou save 15% ($138.00)Regular price $782.00Regular priceUnit price per$920.00Sale price $782.00Sale -
GSC P-D Ford Mustang 5.0L Coyote Gen 1/2 Conical Valve Spring and Titanium Retainer Kit
Vendor:GSC Power DivisionYou save 15% ($135.00)Regular price $765.00Regular priceUnit price per$900.00Sale price $765.00Sale -
GSC P-D 4G63T .035in over OEM Chromoly CNC Spring Seat (SINGLE)
Vendor:GSC Power DivisionYou save 15% ($0.56)Regular price $3.18Regular priceUnit price per$3.74Sale price $3.18Sale -
GSC P-D Valve Seat Set OEM Replacement EJ205/EJ207/EJ257
Vendor:GSC Power DivisionYou save 15% ($3.96)Regular price $22.44Regular priceUnit price per$26.40Sale price $22.44Sale -
GSC P-D 4G63T Valve Seat OEM Replacement (Set of 16)
Vendor:GSC Power DivisionYou save 15% ($3.96)Regular price $22.44Regular priceUnit price per$26.40Sale price $22.44Sale -
Supertech BMW B58 Beehive Valve Spring Kit
Vendor:SupertechYou save 20% ($242.87)Regular price $972.87Regular priceUnit price per$1,215.74Sale price $972.87Sold out -
Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 2.90mm Thickness
Vendor:SupertechYou save 20% ($1.35)Regular price $5.41Regular priceUnit price per$6.76Sale price $5.41Sale -
Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm
Vendor:SupertechYou save 20% ($242.87)Regular price $972.87Regular priceUnit price per$1,215.74Sale price $972.87Sale -
GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT 1mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)
Vendor:GSC Power DivisionYou save 15% ($3.60)Regular price $20.40Regular priceUnit price per$24.00Sale price $20.40Sale -
GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT .5mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)
Vendor:GSC Power DivisionYou save 15% ($3.60)Regular price $20.40Regular priceUnit price per$24.00Sale price $20.40Sale -
Skunk2 Toyota Supra MK5 / BMW B58/S58 High Lift Valve Spring & Titanium Retainer Set
Vendor:Skunk2 RacingYou save 5% ($50.00)Regular price $949.95Regular priceUnit price per$999.95Sale price $949.95Sold out -
GSC P-D Toyota 2JZ / Nissan VR38DETT 0.060in Thick 1.085in OD 0.725in ID Spring Seat Kit (Set of 24)
Vendor:GSC Power DivisionYou save 15% ($5.94)Regular price $33.66Regular priceUnit price per$39.60Sale price $33.66Sale -
HKS 85-91 Toyota Corolla GTS / 85-89 MR2 Valve Spring Set
Vendor:HKSRegular price $180.00Regular priceUnit price per -
Skunk2 Honda K20C1/K20C4 Ultra Valve Springs and Spring Base Kit
Vendor:Skunk2 RacingYou save 5% ($17.50)Regular price $332.45Regular priceUnit price per$349.95Sale price $332.45Sold out -
GSC P-D 2017+ Audi RS3 DAZA Beehive Valve Spring and Ti Retainer Kit (60PSI Max Boost)
Vendor:GSC Power DivisionYou save 15% ($97.50)Regular price $552.50Regular priceUnit price per$650.00Sale price $552.50Sale -
Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16
Vendor:SupertechYou save 20% ($77.14)Regular price $309.01Regular priceUnit price per$386.15Sale price $309.01Sale -
BLOX Racing Valve Springs for D-series SOHC VTEC D16Z-Y (1.6L SOHC VTEC)
Vendor:BLOX RacingYou save 10% ($16.00)Regular price $144.00Regular priceUnit price per$160.00Sale price $144.00Sale -
BLOX Racing Ti Retainers for K20A-3 Z1-3 (2.0L DOHC i-VTEC) / K24A-3 (2.4L DOHC i-VTEC)
Vendor:BLOX RacingYou save 10% ($19.60)Regular price $176.40Regular priceUnit price per$196.00Sale price $176.40Sale -
BLOX Racing Ti Retainers for D16Z-Y (1.6L SOHC VTEC)
Vendor:BLOX RacingYou save 10% ($19.60)Regular price $176.40Regular priceUnit price per$196.00Sale price $176.40Sale -
BLOX Racing Single Ti Retainer (for BXPT-10400)
Vendor:BLOX RacingYou save 10% ($1.60)Regular price $14.40Regular priceUnit price per$16.00Sale price $14.40Sale
