S13 Kits Yellowstuff and RK Rotors TR4 CARB EO applies to model

CARB EO applies to model years 2008-2014 only

As you can see from one of the images bellow

This SRK-250NB/MC Quick Release utilizes all the features of the Second Generation Systems ball-locking quick release system engineered with raised sections to prevent the scratching and stretching of the hub while a self locking feature adds increased safety and functionality

Volant air intake systems utilize a high-velocity venturi filter adapter that provides a smooth transition through the MAF sensor into the intake tube for a much-needed airflow improvement over the factory rubber tubing and resonator box

S13 Kits Yellowstuff and RK Rotors TR4 CARB EO applies to modelKit components DP4763R+RK538 This Part Fits: Year Make Model Submodel 1988 Mazda RX 7 10th Anniversary 1986 1987,1991 Mazda RX 7 Base 1987 Mazda RX 7 Base 2+2 1988 1991 Mazda RX 7 Convertible 1988 1990 Mazda RX 7 GTU 1989 1990 Mazda RX 7 GTUs 1986 1990 Mazda RX 7 GXL 1987 1990 Mazda RX 7 GXL 2+2 1987 Mazda RX 7 LX 1987 Mazda RX 7 LX 2+2 1988 Mazda RX 7 SE 1988 Mazda RX 7 SE 2+2 1987 Mazda RX 7 Sport 1986 1991 Mazda RX 7 Turbo