Provides approx. 1.5"" of space at the front of the engine allowing for more radiator to fan clearance without a recessed fire wall Fits: 302/351W engines Provides approx. 1.5" of space at the front of the engine allowing for more radiator to water pump clearance without a recessed fire wall Driver-side (left hand) radiator hose inlet Must use with long style (3.950") 4-bolt crankshaft damper. Can be used with M-6316-M50 (50oz..- in.) crankshaft damper or M-6316-A50 (50oz..- in.), M-6316-C351 (28oz..- in.) and M-6316-D351 (0oz..- in.) crankshaft damper with appropriate spacer. .750" pulley pilot shaft Can be used with M-6059-D351 timing chain cover or most stock standard rotation timing chain covers Requires custom pulleys (not included). Call the Ford Racing Technical Assistance Line for more information.