Interference engine list

Audi

• 1.8L 1.9L 

• 2.8L V6 90 100 Quattro A4 A6 

• 2.5L 325I 525I
• 4.0L 740I 

Acura

• All except SLX
• SLX (Non Interference)

Chrysler

• 1.4L, 1.5L & 1.6L
• 1.7L (Non Interference)
• 1.8L
• 2.0L DOHC
• 2.0L SOHC
• 2.2L DOHC
• 2.2L SOHC (Non Interference)
• 2.22L SOHC
• 2.3L Diesel
• 2.4L 

• 2.4L SOHC
• 2.5L 4 Cyl. (Non Interference)
• 2.5L V6
• 2.7L
• 3.0L SOHC 12 V (Non Interference)
• 3.0L DOHC
• 3.0L SOHC 24 V
• 3.2L
• 3.3L
• 3.5L
•3.8L
• 4.0L
• 5.7 Hemi

Fiat

• 1.3L 128 Series
• 1.5L Stranda
• 1.6L 124 Series 

• 1.8L 124 Series
• 1.8L 131 Series, Brava
• 2.0L Brava, Spider

Ford

• 1.3L (Non Interference)
• 1.6L DOHC (Non Interference)
• 1.6L SOHC
• 1.8L (Non Interference)
• 1.9L (Non Interference)
• 2.0L DOHC (Contour, Escape, Focus, Mystique, ZX2 & 1999-2002 Cougar) (Non Interference)
• 2.0L DOHC (Probe)
• 2.0L Diesel
• 2.0L SOHC Gasoline (Escort, Focus & Tracer) (Non Interference)
• 2.0L SOHC Gasoline (Capri, Pinto & Ranger) (Non Interference)

• 2.2L
• 2.3L Diesel
• 2.3L SOHC Gasoline (Non Interference)
• 2.4L Diesel
• 2.5L SOHC 4 Cyl. (Non Interference)

• 2.5L V6 (Non Interference)
• 3.0L SOHC
• 3.0L & 3.2L SHO (Non Interference)
• 3.3L 

GM and Saturn

• 1.0L
• 1.3L
• 1.4L (Non Interference)
• 1.5L
• 1.6L (Chevette & 1000) (Non Interference)
• 1.6L (LeMans) (Non Interference)
• 1.6L (Tracker 16 V)
• 1.6L DOHC (Aveo)
• 1.6L DOHC (Nova) (Non Interference)
• 1.6L SOHC (Nova) (Non Interference)
• 1.8L Diesel
• 1.8L Gasoline (Non Interference)
• 1.9L Ecotec SOHC

• 1.9L Ecotec DOHC
• 2.0L (Non Interference)

• 2.2L Diesel
• 2.3L (Non Interference)

• 3.0L
• 3.2L
• 3.4L (Non Interference)
• 3.5L (Non Interference)
• 3.6L

GEO

• 1.0L
• 1.3L
• 1.5L
• 1.6L DOHC (1989-92 Prizm GSI) (Non Interference)

• 1.6L DOHC (1989-97 Prizm Except 1989-92 GSI)
• 1.6L DOHC (Storm)
• 1.6L SOHC (Prizm)
• 1.6L SOHC (Storm)
• 1.6L SOHC 8V (Tracker) (Non Interference)

• 1.6L SOHC 16V (Tracker)
• 1.8L DOHC (Prizm)
• 1.8L DOHC (Storm)

Honda

• All except 3.0L & 3.2 (Non Interference)

Hyundai

• All 

Infinity

• 3.0L & 3.3L 

Isuzu

• 1.5L
• 1.6L DOHC 

• 1.6L SOHC (Non Interference)
• 1.8L Diesel

• 1.8L DOHC Gas
• 2.0L
• 2.2L Diesel
• n2.2L Gas
• 2.3L
• 2.6L
• 3.2L
• 3.5L (Non Interference)

Jeep

• 2.0L 4.0L 4.7L  (Non Interference)
• 2.1L Diesel
• 2.4L DOHC
• 2.8L Diesel

• 3.7L

Kia

• 1.5L DOHC
• 1.6L DOHC
• 1.6L SOHC (Non Interference)
• 1.8L DOHC
• 2.0L DOHC
• 2.0L SOHC (Non Interference)
• 2.4L DOHC
• 2.5L DOHC
• 2.7L DOHC
• 3.5L DOHC 

Lexus

• 2.5L (Non Interference)

• 3.0L V6 (Non Interference)
• 3.3L V6 (Non Interference)
• 3.0L Inline 6 (1992-97) (Non Interference)
• 3.0L Inline 6 VVT-i (1998-2006)
• 4.0L
• 4.3L
• 4.7L 

Mazda

• 1.5L (Non Interference)
• 1.6L (Non Interference)
• 1.8L 4 Cyl. (Non Interference)
• 1.8L V6 (Non Interference)
• 2.0L Diesel
• 2.0L DOHC (626, MX-6 & Protege) (Non Interference)

• 2.0L DOHC (Tribute) (Non Interference)

• 2.0L SOHC (Non Interference)
• 2.2L
• 2.3L 4 Cyl. (B2300) (Non Interference)
• 2.3L V6 (Non Interference)
• 2.5L 4 Cyl. (B2500) (Non Interference)
• 2.5L V6 (Non Interference)
• 3.0L DOHC
• 3.0L SOHC 

Mercury

Villager 3.0 (Non Interference)
Villager 3.3 (Non Interference)

Mitsubishi

• 1.5L
• 1.6L DOHC
• 1.6L SOHC
• 1.8L
• 2.0L DOHC
• 2.0L SOHC
• 2.3L Diesel
• 2.4L DOHC
• 2.4L SOHC
• 3.0L DOHC
• 3.0L SOHC 12V (Non Interference)
• 3.0L SOHC 24 V (Non Interference)
• 3.5L DOHC
• 3.5L SOHC
• 3.8L 

Nissan

• All 

Porsche

2.0L 924 Turbo
2.5L 944
2.7L 944
3.0L 944
4.5L 928
4.7L 928
5.0L 928
5.4L 928 

Subaru

Older than 1990 (Non Interference)

1990-1996  1.8L EJ18 and 2.2L EJ22 (Non Interference)

1996-2000  2.2L and 2.5L 

 2001-04  2.5L SOHC phase II and H6 3.0L EZ30 

DOHC 

All 2005 & Up

Suzuki

• 1.3L DOHC
• 1.3L SOHC
• 1.6L 8 V (Non Interference)
• 1.6L 16 V
• 2.0L DOHC

Toyota

1.5L (1A-C, 3A-C & 3E)
• 1.5L (3E-E & 5E-FE) (Non Interference)
• 1.6L DOHC (4A-F & 4A-FE) (Non Interference)
• 1.6L DOHC (4A-GE & 4A-GZE) (Non Interference)
• 1.6L SOHC (Non Interference)
• 1.8L Diesel
• 1.8L DOHC
1.8L 7AFE, 4AFE, 4AF – (Non Interference)
• 2.0L (Non Interference)
• 2.2L Diesel
• 2.2L (Non Interference)
• 2.4L Diesel
• 2.5L (Non Interference)
• 2.8L (Non Interference)

• 3.0L Inline 6 (Except 1998 2JZ-GE) (Non Interference)

• 3.0L Inline 6 VVT-i (1998 2JZ-GE)
• 3.0L V6 (Non Interference)
• 3.3L 3MZ-FE V6 W/ V VTi  

• 3.4L (Non Interference)
* 3.5L V-6 (Non Interference)
• 4.7L 

Volkswagen

TDI 1.8L – 8 valve (Non Interference)
2.0L – 8v
16v diesels
VR6 

Volvo

B200 (E, F, G, GT, FT)
B204 (E, F, GT, FT)
B230E (high-compression)
B230 Non American
B234 (F, G)
240DL 2.3 (Non Interference)
B5XXX 5L
6XXX six-cylinder
FK (Non Interference)
240 SOHC (Non Interference)
740 SOHC (Non Interference)
940 SOHC (Non Interference)
16V all
850
960
S40
S/V/C 70
S60
S80
XC90’s