1990 CHEVROLET Manley Parts and Accessories

Valves, Exhaust, Severe Duty, Stainless Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8

Part Number: MAN-12815-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-590130-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, SBC intake, 2.080 +.300 Pro Flo, set of 8

Part Number: MAN-11740-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Exhaust, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 5.265 in. Length, Chevy, Set of 8

Part Number: MAN-11333-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8

Part Number: MAN-590035-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Exhaust, Stainless Steel, 1.60 in. Diameter, .311 in. Stem, 5.040 in. Length, Chevy, Set of 8

Part Number: MAN-11305-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8

Part Number: MAN-590860-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Exhaust, Titanium, 1.625 in. Diameter, .342 in. Stem, 5.060 in. Length, Universal, Set of 8

Part Number: MAN-11435T-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve, Intake, Titanium, 2.100 in. Diameter, .342 in. Stem, 5.440 in. Length, Universal, Each

Part Number: MAN-11416T-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each

Part Number: MAN-590140L-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each

Part Number: MAN-591235L-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.265 in. Length, Chevy, Each

Part Number: MAN-11559-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Valve, Intake, Severe Duty, Stainless Steel, 2.325 in. Diameter, 0.3415 in. Stem, 6.59 in. Length, Each

Part Number: MAN-11580-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Valves, Intake, NK-844 Stainless, 2.080 in. Diameter, .3415 in. Stem, 5.111 in. Length, Set of 8

Part Number: MAN-11738-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each

Part Number: MAN-591035L-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each

Part Number: MAN-590730R-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8

Part Number: MAN-591135-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Exhaust, Titanium, 1.625 in. Diameter, .342 in. Stem, 5.360 in. Length, Universal, Set of 8

Part Number: MAN-11417T-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Exhaust, Titanium, 1.625 in. Diameter, .342 in. Stem, 5.360 in. Length, Universal, Set of 8

Part Number: MAN-11441T-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Intake, Titanium, 2.100 in. Diameter, .342 in. Stem, 5.040 in. Length, Universal, Set of 8

Part Number: MAN-11408T-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Connecting Rod, 4340 H-Beam, Cap Screw, Bushed, 6.385 in., Chevy, Big Block, Each

Part Number: MAN-14062R-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Special Order

Valves, Intake, Titanium, 2.100 in. Diameter, .342 in. Stem, 5.440 in. Length, Universal, Set of 8

Part Number: MAN-11416T-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, VALVE-R/M 1.625,+.600

Part Number: MAN-11347-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

VALVE-BBC S/D 1.940

Part Number: MAN-12803-8

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .372 in. Stem, 5.513 in. Length, Chevy, Set of 8

Part Number: MAN-11570-8

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order