Availability
1978 Manley Engines & Components
Valve, Intake, Severe Duty, Stainless Steel, 2.100 in. Diameter, 0.3415 in. Stem, 5.540 in. Length, Each
Part Number: MAN-11770-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-591340R-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each
Part Number: MAN-590035L-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
KIT-SBC 434 4.000/4.125
Part Number: MAN-290300
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Connecting Rod, 4340 H-Beam, Cap Screw, Bushed, 6.000 in., Chevy, Small Block, Race Only, Each
Part Number: MAN-14054R-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Intake, Titanium, 2.180 in. Diameter, .342 in. Stem, 5.540 in. Length, Universal, Set of 8
Part Number: MAN-11468T-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Intake, Stainless Steel, 2.055 in. Diameter, .342 in. Stem, 4.940 in. Length, Set of 8
Part Number: MAN-11452T-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .311 in. Stem, 5.040 in. Length, Chevy, Each
Part Number: MAN-11303-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Race Master, 10 degree Dish, XH-426 Stainless Steel, 35.5mm Head Diameter, 4.405 in. Length, Set of 4
Part Number: MAN-11653-4
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 5.160 in. Length, Universal, Set of 8
Part Number: MAN-11403T-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
VALVE-E/D 1.625,+.200
Part Number: MAN-11715-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .311 in. Stem, 5.240 in. Length, Chevy, Each
Part Number: MAN-11345-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Exhaust, XH-426 Stainless, 37.5mm Diameter, .313 in. Stem, 4.405 in. Length, Set of 4
Part Number: MAN-11655-4
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.180 in. Diameter, .372 in. Stem, 5.000 in. Length, Mopar, Each
Part Number: MAN-11388-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Exhaust, Titanium, 1.600 in. Diameter, .342 in. Stem, 5.460 in. Length, Universal, Set of 8
Part Number: MAN-11409T-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Intake, Titanium, 2.180 in. Diameter, .342 in. Stem, 5.440 in. Length, Universal, Each
Part Number: MAN-11466T-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Guideplate, Flat, Steel, Black Oxide, 5/16 in. Pushrod Size, Ford, Small Block Windsor, Each
Part Number: MAN-42152-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve, Titanium, Exhaust, 1.600 in. Diameter, 5.160 in. Length, Each
Part Number: MAN-11427TB-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030
Part Number: MAN-290040H
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
ROTATING ASSEMBLY KIT-BBC 572 4.250/4.625 -3cc F
Part Number: MAN-38572RHXX
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 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: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8
Part Number: MAN-591660-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-591230L-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.060 in. Bore, Chevy, Each
Part Number: MAN-590660R-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Connecting Rods, 4340 H-Beam, Cap Screw, Chevy, Big Block, Set of 8
Part Number: MAN-14066-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
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