Availability
Valves
Valve, Exhaust, Stainless Steel, 1.880 in. Head Diameter, 5.422 in. Length, Chevy, Big Block, Each
Part Number: MAN-12843-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Set of 8
Part Number: MAN-12878-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, .3415 in. Stem, 5.036 in. Length, Set of 8
Part Number: MAN-11887-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.080 in. Diameter, .341 in. Stem, 5.140 in. Length, Chevy, Set of 8
Part Number: MAN-11858-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.100 in. Diameter, .341 in. Stem, 5.240 in. Length, Chevy, Set of 8
Part Number: MAN-11750-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .311 in. Stem, 5.240 in. Length, Chevy, Each
Part Number: MAN-11389-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.161 in. Diameter, .236 in. Stem, 4.081 in. Length, for Nissan, Set of 12
Part Number: MAN-11105-12
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
VALVE-R/M SR20DE(T) 30.15mm
Part Number: MAN-11145-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Exhaust, NK-844 Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.433 in. Length, Set of 8
Part Number: MAN-11536-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 1.840 in. Diameter, .3415 in. Stem, 5.011 in. Length, Set of 8
Part Number: MAN-11540-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, Exhaust, Severe Duty, Stainless Steel, 1.725 in. Diameter, 0.3715 in. Stem, 5.464 in. Length, Set of 8
Part Number: MAN-11519-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.055 in. Diameter, .274 in. Stem, 5.010 in. Length, Chevy, Set of 8
Part Number: MAN-11240-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.600 in. Diameter, .3415 in. Stem, 5.365 in. Length, Set of 8
Part Number: MAN-11755-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, SBC intake, 2.080 +.300 Pro Flo, set of 8
Part Number: MAN-11740-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Intake, NK-844 Stainless, 2.065 in. Diameter, .3720 in. Stem, 5.218 in. Length, Set of 8
Part Number: MAN-11836-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
VALVE-BBC E/D 1.900
Part Number: MAN-12745-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Intake, Stainless Steel, 1.890 in. Diameter, .274 in. Stem, 4.800 in. Length, Set of 8
Part Number: MAN-11246-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.080 in. Diameter, .311 in. Stem, 5.010 in. Length, Set of 8
Part Number: MAN-11712-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-11745-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, SBC exhaust , 1.625 +.400 Extreme Duty, set of 8
Part Number: MAN-11725-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valve, Hemi 426 intake, 2.250 +.100 Severe Duty, set of 8
Part Number: MAN-11908-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Exhaust, XH-428 Stainless, 1.900 in. Diameter, .3715 in. Stem, 5.474 in. Length, Set of 8
Part Number: MAN-11535-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
VALVE-BBC S/D 1.940
Part Number: MAN-12803-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
VALVE-R/M NISSAN GTR VR38DETT
Part Number: MAN-11190-12
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.625 in. Diameter, .311 in. Stem, 5.700 in. Length, Universal, Set of 8
Part Number: MAN-11207-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2026 if ordered today
Estimated Ship Date: Dec 29, 2026 if ordered today
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