—
Notes: 1984: OE Equivalent Design Gap 0.035" · 1985: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1982: OE Equivalent Design Gap 0.045" · 1983: OE Equivalent Design Gap 0.045" · 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045"
—
Notes: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045"
—
Notes: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1976: OE Equivalent Design Gap 0.035" · 1977: OE Equivalent Design Gap 0.035" · 1978: OE Equivalent Design Gap 0.035" · 1979: OE Equivalent Design Gap 0.035" · 1980: OE Equivalent Design Gap 0.035" · 1981: OE Equivalent Design Gap 0.035" · 1982: OE Equivalent Design Gap 0.035" · 1983: OE Equivalent Design Gap 0.035" · 1984: OE Equivalent Design Gap 0.035" · 1985: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.035" · 1985: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.045"
—
Notes: OE Equivalent Design Gap 0.045"
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1985: OE Equivalent Design Gap 0.045" · 1986: OE Equivalent Design Gap 0.035" Cast Iron Heads · 1987: OE Equivalent Design Gap 0.035" Cast Iron Heads
—
Notes: OE Equivalent Design Gap 0.035" Cast Iron Heads
—
Notes: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1985: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1986: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1995: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: Gap 0.035" · 1995: Gap 0.035"
—
Notes: 1986: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1986: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1986: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1995: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: OE Equivalent Design Gap 0.045" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv
—
Notes: 1985: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1986: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1995: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: Gap 0.035" · 1995: Gap 0.035"
—
Notes: 1985: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1986: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1995: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: Gap 0.035" · 1995: Gap 0.035"
—
Notes: 1985: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1986: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1995: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.045" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: Gap 0.035" · 1995: Gap 0.035"
—
Notes: OE Equivalent Design Gap 0.045"
—
Notes: 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: Gap 0.035" · 1995: Gap 0.035"
—
Notes: 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: Gap 0.035" · 1995: Gap 0.035"
—
Notes: Gap 0.035"
—
Notes: 1985: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1986: OE Equivalent Design Gap 0.035" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1995: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval
—
Notes: 1984: OE Equivalent Design Gap 0.045" · 1985: OE Equivalent Design Gap 0.045" 30,000 mi OE Mfr Recommended Service Interval · 1986: OE Equivalent Design Gap 0.045" 12,000 mi OE Mfr Rec Service Interval w/ Heavy Duty Emissions, 30,000 mi OE Mfr Rec Serv · 1987: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1988: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1989: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1990: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1991: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1992: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1993: OE Equivalent Design Gap 0.035" 30,000 mi OE Mfr Recommended Service Interval · 1994: Gap 0.035" · 1995: Gap 0.035"
- + 698 additional fitments not shown