For 2025 rules, click here: 2025 Northern SportMod Rules
Frame Dimensions
1964-1967 Chevelle
1968-1972 Chevelle
1977 Impala
1978 Impala
For 2025 rules, click here: 2025 Northern SportMod Rules
Frame Dimensions
1964-1967 Chevelle
1968-1972 Chevelle
1977 Impala
1978 Impala
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