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ok,after my cousin kept telling me to go with roller rockers i decided to go with it(i have to decide which ones to go with). so im thinking of replacing my stock valves while im at it. the ones im looking at are described as: 1.655" EXHAUST AND 2.041" INTAKE STREET SERIES HEAVY DUTY VALVES FOR 351C 351M 400 FORD - BOTH INT. AND EXH. ARE 11/32 STEM 4-GROOVE.
EXH. VALVES ARE STAINLESS STEEL 21-2N - 5.052" LENGTH. INTAKE VALVES ARE HI-TEMP STAINLESS & S.I.L. MATERIAL - WILL WITHSTAND 1600 DEGREES! OVERALL LENGTH 5.230".
what do you guys think? are these good to replace stock valves? will i have to replace anything else?
EXH. VALVES ARE STAINLESS STEEL 21-2N - 5.052" LENGTH. INTAKE VALVES ARE HI-TEMP STAINLESS & S.I.L. MATERIAL - WILL WITHSTAND 1600 DEGREES! OVERALL LENGTH 5.230".
what do you guys think? are these good to replace stock valves? will i have to replace anything else?