AP Racing J-Hook Disc for Porsche 991 Carrera S/4S/Targa 4S (350mm Upgrade) - 350x28mm Rear

Porsche 991.1 Carrera S/4S/Targa 4S AP Racing J Hook 350x28mm 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. Rear Pair.

Porsche OEM 330mm Replacement & Upgrade

Part#:13.01.20021

Also Fits the following models:

• *2004-2005  996.2 GT3 Iron & PCCB (OEM Rear 330mm)
• *2016-2019  991.2 Carrera 2S, 4S, GTS, Targa 4S/GTS (OE Rear 330mm)
• *2020+         992.1 Carrera 2S, 4S, GTS, Targa 4S/GTS (OE Rear 330mm)

*Required caliper spacer and/or bolts included with discs

Spare Iron Rings: 13.05.10006/7 (L/R)

Spare Hardware Kit: 13.04.40002

Fits Essex/AP BBK: CP6472-102/103GA

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

• 350x28mm (13.78"x1.10")
• 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: 18.9 lbs (-0.5 lbs each, -1.0 lbs on rear axle)

330mm OEM Steel Disc: 19.4 lbs