27 tooth.
2.5L / 153 OHV L4 8V Chev. 3.875" Bore 62-70
GM
2.5L / 153 OHV L4 8V Chev. 3.875" Bore 63-65
GM, CHEVROLET
3.2L / 194 OHV L6 12V Chev. 3.563" Bore 62-67
GM
3.2L / 194 OHV L6 12V Chev. 3.563" Bore 63-66
GM, CHEVROLET
3.5L / 215 OHV L6 12V Pont. 3.750" Bore 64-65
GM
3.5L / 216 OHV L6 12V Chev. 3.500" Bore 38-52
GM, CHEVROLET
3.5L / 216 OHV L6 12V Chev. 3.500" Bore 41-53
GM
3.8L / 230 OHV L6 12V Chev. 3.875" Bore 63-69
GM, CHEVROLET
3.8L / 230 OHV L6 12V Chev. 3.875" Bore 63-70
GM
3.8L / 235 OHV L6 12V Chev. 3.5625" Bore 42-63
GM, CHEVROLET
3.8L / 235 OHV L6 12V Chev. 3.5625" Bore 50-62
GM
4.1L / 250 OHV L6 12V Chev. 3.875" Bore 65-79
GM
4.1L / 250 OHV L6 12V Chev. 3.875" Bore 66-84
GM, CHEVROLET
4.3L / 261 OHV L6 12V Chev. 3.750" Bore 54-62
GM, CHEVROLET
GM153C-CH | 2.5L / 153 OHV L4 8V Chev. 3.875" Bore 62-70
CHEVROLET
GM153T-CH | 2.5L / 153 OHV L4 8V Chev. 3.875" Bore 63-65
CHEVROLET,
GMC
GM194C-CH | 3.2L / 194 OHV L6 12V Chev. 3.563" Bore 62-67
CHEVROLET
GM194T-CH | 3.2L / 194 OHV L6 12V Chev. 3.563" Bore 63-66
CHEVROLET,
GMC
GM215C-PO | 3.5L / 215 OHV L6 12V Pont. 3.750" Bore 64-65
PONTIAC
GM216C-CH | 3.5L / 216 OHV L6 12V Chev. 3.500" Bore 41-53
CHEVROLET
GM216T-CH | 3.5L / 216 OHV L6 12V Chev. 3.500" Bore 38-52
CHEVROLET
GM230C-CH | 3.8L / 230 OHV L6 12V Chev. 3.875" Bore 63-70
CHEVROLET
GM230T-CH | 3.8L / 230 OHV L6 12V Chev. 3.875" Bore 63-69
CHEVROLET,
GMC
GM235C-CH | 3.8L / 235 OHV L6 12V Chev. 3.5625" Bore 50-62
CHEVROLET
GM235T-CH | 3.8L / 235 OHV L6 12V Chev. 3.5625" Bore 42-63
CHEVROLET
GM250C-CH | 4.1L / 250 OHV L6 12V Chev. 3.875" Bore 65-79
CHEVROLET,
PONTIAC,
OLDSMOBILE,
BUICK
GM250T-CH | 4.1L / 250 OHV L6 12V Chev. 3.875" Bore 66-84
CHEVROLET,
GMC
GM261T-CH | 4.3L / 261 OHV L6 12V Chev. 3.750" Bore 54-62
CHEVROLET
