Availability
CHEVROLET Manley Engines & Components
Valve, Exhaust, Stainless Steel, 1.880 in. Head Diameter, 5.422 in. Length, Chevy, Big Block, Each
Part Number: MAN-12843-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.250 in. Head Diameter, 5.344 in. Length, Chevy, Big Block, Each
Part Number: MAN-12850-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.494 in. Length, Chevy, Big Block, Set of 8
Part Number: MAN-12854-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Intake, 2.350 in. Diameter, Stainless Steel, 0.350 in. Over Installed Length, Chevy, Big Block, Each
Part Number: MAN-12880-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, SBC intake, 2.080 +.300 Pro Flo, set of 8
Part Number: MAN-11740-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.111 in. Length, Chevrolet, Small Block Gen 1, Each
Part Number: MAN-11744-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valves, Severe Duty, 7 degree Dish, NK-844 Stainless, 2.100 in. Head Diameter, 5.211 in. Length, Set of 8
Part Number: MAN-11746-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.100 in. Diameter, .341 in. Stem, 5.240 in. Length, Chevy, Each
Part Number: MAN-11750-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
VALVE-S/D 2.100,+.400
Part Number: MAN-11752-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
VALVE-S/D 2.125,+.300
Part Number: MAN-11754-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .3415 in. Stem, 5.365 in. Length, Each
Part Number: MAN-11755-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Cylinder Head Bolts, High Performance, Hex Head, Chevy, Big Block, Dart, Merlin, Bowtie Heads, 1 Head, Set
Part Number: MAN-42322
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.055 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11306-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Valve, Intake, Race Master, Stainless Steel, 2.080 in. Head Dia, 7 Degree Dish, Chevy, Small Block, Each
Part Number: MAN-11806-1
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
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