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Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BMSpecial Price $736.20 Regular Price $882.47 -
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Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1005D-BMSpecial Price $736.20 Regular Price $882.47 -
Supertech Honda K24Z7 Dual Valve Spring Kit - SPRK-H1005D-Z7Special Price $522.63 Regular Price $621.13 -
Supertech Honda F20/K20A2 Dual Valve Spring Kit - SPRK-H1019DSpecial Price $477.84 Regular Price $566.32 -
Supertech Nissan SR20DET Dual Valve Spring Kit - SPRK-H1021D-SR20Special Price $511.55 Regular Price $607.56 -
Supertech Nissan SR20DET Single Valve Spring Kit - SPRK-H1021S-SR20Special Price $356.54 Regular Price $417.88 -
Supertech Nissan SR20VE DOHC Dual Valve Spring Kit (Increase Net Lift Machine Inner Spring Boss) - SPRK-H1022D-VESpecial Price $421.68 Regular Price $497.59Out of stock -
Supertech Mitsubishi 4G63 Dual Valve Spring Kit - SPRK-M1007D-2Special Price $474.69 Regular Price $562.46 -
Supertech Nissan RB26DET 24V Dual Valve Spring Kit - SPRK-M1007D-RB-2LSpecial Price $719.34 Regular Price $861.84 -
Supertech Mitsubishi EVO X 4B11 Dual Valve Spring Kit (Use OEM Seal-Seat) - SPRK-M1015-EX3Special Price $495.82 Regular Price $588.31 -
Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB20Special Price $661.72 Regular Price $791.33