Porsche 718 Cayman S AP Racing J Hook 350x34mm Discs. Upgrade or replace your 330mm factory steel rotors by switching to 350mm slotted steel discs from AP Racing. Direct bolt-on for red calipers with included caliper spacer. Front Pair.

Porsche OEM 330mm Replacement & Upgrade

Part#:13.01.20034

Fits the following models:

• *2013-2016  981 Cayman S & Boxster S (OEM Front 330mm)
• *2017+ 718 Cayman S & Boxster S (OEM Front 330mm)
• *2005-2011 997 Carrera 2S, Carrera 4S, Targa 4S (OE Front 330mm)
• *2011 Carrera GTS (OE 330mm Front)

*Required caliper spacer and/or bolts included with discs

Spare Iron Rings: 13.05.10008/9 (L/R)

Spare Hardware Kit: 13.04.40002

Fits Essex/AP BBK: CP172-102/103GA

Essex Designed AP Racing 2-Piece Competition J Hook Floating Brake Discs.

• 350x34mm (13.78"x1.4")
• Save nearly 0.5 lb of unsprung weight per corner over 330mm OEM discs
• 2-piece floating disc
• Increased brake pad compound options 
• Abuse these rotors lap after lap, with full confidence
• Significantly Increases airflow, cooling capacity, and durability
• 72 Cooling vanes (vs. 60 for OEM)
• Replacement of iron disc rings (friction rings) to save significant costs ($339 ea.)
• Works with OEM calipers and wheels, direct bolt-on
• Anodized billet aluminum hat, w/float control, and anti-rattle clips

Weight Comparison: 350mm Upgrade vs OEM 330mm

350mm AP Racing J-Hook Iron Disc: 22.8 lbs (-0.5 lbs each, -1.0 lbs on front axle)

330mm OEM Steel Disc: 23.3 lbs