Valve Springs, Retainers

Ferrea 1.225in to 1.570in Dia 1.04/1.56 OD 0.74/1.145 ID Dual w/Damper Valve Spring - Single

Ferrea 1.225in to 1.570in Dia 1.025/1.55 OD 0.74/1.135 ID Dual w/Damper Valve Spring - Single

Ferrea 1.225in to 1.570in Dia 1.025/1.55 OD 0.74/1.135 ID Dual w/Damper Valve Spring - Single

Ferrea 1.225in to 1.570in Dia 1.025/1.55 OD 0.74/1.135 ID Dual w/Damper Valve Spring - Single

Ferrea 1.225in to 1.570in Dia 1.04/1.55 OD 0.755/1.13 ID Dual w/Damper Valve Spring - Single

Ferrea 1.600in to 1.650in Dia 1.065/1.625 OD 0.770/1.189 ID Dual w/Damper Valve Spring - Single

Ferrea Audi DAZA Single Spring 7 Deg Pro CNC Titanium Retainer - Single (Drop Ship Only)

Ferrea Double Spring Pro CNC Super 7 Deg Titanium Retainer - Single

Ferrea Beehive Spring Pro CNC 7 Deg Titanium Retainer - Single (Use w/S2012)

Ferrea Chevrolet L92 Double Spring Pro CNC 7 Deg Titanium Retainer - Single

Ferrea Chevrolet LS1/LS7 (5/16) Double Spring Pro CNC Super 7 Deg Titanium Retainer - Single

Ferrea Chevrolet LS1/LT1 Double Spring 7 Deg Pro CNC Titanium Retainer - Single

Ferrea Audi 2.0 TSI Single Spring 7 Deg Pro CNC Exhaust Titanium Retainer - Single

Ferrea VW 2.0T TS Single Spring 7 Deg Pro CNC Intake Titanium Retainer - Single

Ferrea Double/Triple Spring Pro CNC 10 Deg Titanium Retainer - Single