MANLEY
Manley Pistons, Valves, and Engine Components at JJ Motorsports
Manley Performance, founded in 1966 by Hank Manley in Bloomfield, New Jersey, is a pioneering brand in the high-performance automotive industry, initially starting as Manley Speed Equipment with products like stainless valves and forged pistons. With a legacy of innovation and quality, Manley specializes in engine components designed to maximize power, durability, and efficiency for both racing professionals and street enthusiasts worldwide.
At JJ Motorsports, we offer a comprehensive selection of Manley products, including the robust SBC 4340 Forged Crankshaft with 3.480 in Stroke for superior strength in small block Chevy engines. For precise valve adjustments, check out the 7mm Lash Caps 0.085 in Thick 8-Pack. Enhance your valvetrain with the lightweight 1.500 TI Valve Spring Retainers 10-Degree made from titanium, or the high-rate 1.400 Dual Valve Springs from the NexTek Series. Riders can also upgrade exhaust flow using the SBC 1.625 SD Exhaust Valves 5/16 5.640 OAL. Whether you're building a race engine or boosting street performance, Manley delivers precision-engineered solutions. Explore our inventory to find the ideal components for your project.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Manley SBC 4340 Forged Crank 3.480 Stroke/350 mains 190310
MANLEY
$934.61If you're building a high-revving Small Block Chevy engine or upgrading from a cast-iron unit, a forged crankshaft is non-negotiable. The Manley SBC 4340 Forged Crank delivers the strength and...MAN190310- SKU:
- MAN190310
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
- MFG Part #:
- 190310
$934.61 -
Manley 7mm Lash Caps 8pk .085 Thick 42100-8
MANLEY
$28.88Proper valve lash management is critical for maintaining optimal engine performance and preventing costly valve train damage. Manley's precision-engineered lash caps ensure consistent valve clearance...MAN42100-8- SKU:
- MAN42100-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
$28.88 -
Manley 1.500 TI Valve Spring Retainers 10-Degree 23684-16
MANLEY
$294.30Valve spring retainers are critical to maintaining precise spring pressure and geometry under extreme RPM conditions. Manley's titanium construction reduces mass while delivering superior strength,...MAN23684-16- SKU:
- MAN23684-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
$294.30Qty in Cart: 0Quantity:Price:$294.30Subtotal: -
Manley 1.400 Dual Valve Springs Nek Tek Series 221446SF-16
MANLEY
$836.85High-RPM engine builds demand valve springs that can handle sustained aggression without failure. Manley's NexTek dual spring design delivers the consistent load rates and reliability required for...MAN221446SF-16- SKU:
- MAN221446SF-16
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
$836.85Qty in Cart: 0Quantity:Price:$836.85Subtotal: -
Manley SBC 4340 Forged Crank 3.480 Stroke 350 Mains 190310NB
MANLEY
$909.69A forged 4340 steel crankshaft is the backbone of any high-output small-block Chevy build. Manley's 3.480" stroke design delivers the stroke length needed for increased displacement and torque...MAN190310NB- SKU:
- MAN190310NB
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
$909.69 -
Manley SBC 1.625 SD Exhaust Valves 5/16 5.640 OAL 11399-8
MANLEY
$301.07Manley's SBC exhaust valves are engineered for small-block Chevrolet engines that demand reliable, high-temperature performance. Built from stainless steel, these valves resist thermal stress and...MAN11399-8- SKU:
- MAN11399-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$301.07 -
Manley 1.600 R/M Exhaust Valves 5/16 5.040 AOL 11305-8
MANLEY
$202.55Manley's Race Master exhaust valves are engineered for sustained high-RPM performance without compromise. Built for small block Chevy engines, these valves deliver the thermal stability and precision...MAN11305-8- SKU:
- MAN11305-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$202.55 -
Manley SBC 2.055 SD Int Valve 5/16 5.010 OAL 11234-8
MANLEY
$301.07When you're pushing your Small Block Chevy to the limit, valve integrity becomes non-negotiable. Manley's Severe Duty intake valves are engineered to withstand sustained high RPM loads, extreme...MAN11234-8- SKU:
- MAN11234-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$301.07 -
Manley Chevy LS Spring Kit 1.295 w/Ti-Retainers 26362334KS
MANLEY
$411.70High-RPM stability and durability demand valve springs engineered for precision. The Manley Chevy LS Spring Kit delivers the consistent load rates and lightweight titanium construction required to...MAN26362334KS- SKU:
- MAN26362334KS
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
$411.70 -
Manley Chevy LS Spring Kit 1.295 w/Steel Retainers 26362134KS
MANLEY
$344.28High-RPM stability and consistent valve control are non-negotiable in LS-series racing applications, and factory valve springs simply won't cut it when you're pushing power levels beyond stock...MAN26362134KS- SKU:
- MAN26362134KS
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
$344.28 -
Manley SBC E/D 1.600 Exhaust Valves 11/32 5.165 OAL 11705-8
MANLEY
$514.08Precision exhaust valves are the foundation of efficient combustion and consistent power delivery in any SBC engine build. Manley's SBC E/D exhaust valves are engineered to withstand sustained...MAN11705-8- SKU:
- MAN11705-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$514.08Qty in Cart: 0Quantity:Price:$514.08Subtotal: -
Manley LS7 R/M 1.615 Exhaust Valves 11689-8
MANLEY
$202.55LS7 engines demand exhaust valves engineered for sustained high-RPM performance and thermal cycling. These Manley R/M valves are precision-manufactured to handle the extreme demands of...MAN11689-8- SKU:
- MAN11689-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$202.55 -
Manley LS7 S/D 2.205 Intake Valves 11688-8
MANLEY
$301.07If you're running an LS7 engine at the track or building a high-revving street machine, stock intake valves won't cut it. Manley's Pro Flo intake valves are precision-engineered to handle sustained...MAN11688-8- SKU:
- MAN11688-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$301.07 -
Manley LS1 E/D 1.575 Exhaust Valves 11681-8
MANLEY
$514.08If you're building a serious LS1 engine that demands reliability under extreme conditions, OEM exhaust valves won't cut it. Manley's Extreme Duty valves are engineered to withstand aggressive valve...MAN11681-8- SKU:
- MAN11681-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$514.08 -
Manley GM LS7 S/D 1.615 Exhaust Valves 11679-8
MANLEY
$301.07If you're pushing your LS7 to its limits, stock exhaust valves won't cut it. Manley's severe-duty valves are engineered to handle sustained high RPM and aggressive thermal cycles without degradation,...MAN11679-8- SKU:
- MAN11679-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$301.07 -
Manley LS1 S/D 1.600 Exhaust Valves 11677-8
MANLEY
$301.07If you're building or rebuilding an LS1 engine for serious duty, valve quality directly impacts combustion efficiency, peak horsepower, and longevity under sustained high RPM operation. Manley's...MAN11677-8- SKU:
- MAN11677-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$301.07 -
Manley LS1 S/D 1.575 Exhaust Valves 11675-8
MANLEY
$301.07When you're pushing your LS engine to its limits, stock exhaust valves become the weak link in your buildup. Manley's Severe Duty exhaust valves are engineered to handle extreme heat cycles and high...MAN11675-8- SKU:
- MAN11675-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$301.07 -
Manley LS1 R/M 1.590in Exhaust Valves 11621-8
MANLEY
$202.55If you're building or rebuilding an LS engine for sustained high-RPM operation, OEM exhaust valves will cost you power and reliability. Manley's Race Series exhaust valves are engineered from premium...MAN11621-8- SKU:
- MAN11621-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.04 LBS
$202.55 -
Manley LS1 P/F 2.165in Intake Valves 11620-8
MANLEY
$202.55If you're running a high-output LS1 engine, your stock intake valves are a bottleneck—they can't sustain the flow rates and thermal loads of serious power. Manley's Race Series intake valves are...MAN11620-8- SKU:
- MAN11620-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.59 LBS
$202.55 -
Manley SBC P/F 2.020in Intake Valves - LS1 11362-8
MANLEY
$188.69If you're building a high-revving LS1 engine that demands precision at every valve event, OEM intake valves won't cut it. Manley's Race Series intake valves are engineered to handle sustained...MAN11362-8- SKU:
- MAN11362-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$188.69 -
Manley LS1 R/M 1.550 Exhaust Valve 11361-8
MANLEY
$188.69If you're building or refreshing an LS1 or LS2 engine for serious track duty, valve quality directly impacts combustion efficiency and reliability under sustained high-RPM operation. Manley's Race...MAN11361-8- SKU:
- MAN11361-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
$188.69 -
Manley LS1 P/F 2.000in Intake Valve 11360-8
MANLEY
$188.69If you're building or rebuilding an LS-series engine for competition, valve quality directly impacts combustion efficiency, rpm capability, and reliability under sustained high-load conditions...MAN11360-8- SKU:
- MAN11360-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$188.69 -
Manley SBC Replacement Timing Chain 76161
MANLEY
$38.32A worn or stretched timing chain compromises valve timing precision, robbing your small block Chevy of horsepower and reliability. The Manley SBC Replacement Timing Chain 76161 delivers OEM-quality...MAN76161- SKU:
- MAN76161
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- MFG Part #:
- 76161
$38.32 -
Manley SBC Timing Kit 73181
MANLEY
$116.69Precise valve timing is non-negotiable in high-performance Small Block Chevy builds, and a worn or inadequate timing chain can cost you horsepower and reliability. The Manley SBC Timing Kit delivers...MAN73181- SKU:
- MAN73181
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
- MFG Part #:
- 73181
$116.69 -
Manley SBC Timing Kit - 55-78 73141
MANLEY
$136.31A timing chain failure in your Small Block Chevy can mean catastrophic engine damage and downtime you can't afford. The Manley SBC Timing Kit replaces the weak factory chain with a robust...MAN73141- SKU:
- MAN73141
- Availability:
- Ships Same Business Day
- Weight:
- 3.41 LBS
- MFG Part #:
- 73141
$136.31 -
Manley 5/16 SBC Guide Plate 42355-8
MANLEY
$25.72Pushrod guide plates are critical for valvetrain stability and longevity, especially in high-RPM small block Chevy applications. Without proper guidance, pushrods can deflect under load, causing...MAN42355-8- SKU:
- MAN42355-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- MFG Part #:
- 42355-8
$25.72 -
Manley 11/32in Valve Tip Wear Caps 42301-8
MANLEY
$28.88Valve tip wear caps are critical maintenance components that prevent accelerated stem wear and maintain proper valve lash geometry over extended high-RPM operation. These Manley caps preserve valve...MAN42301-8- SKU:
- MAN42301-8
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 42301-8
$28.88 -
Manley SBC Head Bolts (1 Head) 42171
MANLEY
$39.42Cylinder head bolts are critical to engine integrity—they're responsible for clamping your cylinder head to the block under extreme combustion pressures. Using OEM-equivalent fasteners like these...MAN42171- SKU:
- MAN42171
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MFG Part #:
- 42171
$39.42 -
Manley 5/16in SBC Guide Plate 42151-8
MANLEY
$31.35Pushrod guide plates are critical for maintaining proper valve train geometry and preventing pushrod deflection under high-RPM conditions. The Manley 5/16in SBC Guide Plate keeps your pushrods...MAN42151-8- SKU:
- MAN42151-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.07 LBS
- MFG Part #:
- 42151-8
$31.35 -
Manley Pushrod Length Checker SBC With 3/8in Stud 42137
MANLEY
$18.09Getting pushrod length right is critical to valvetrain geometry and engine reliability—even a slight error can cause interference, lost lift, or premature wear. The Manley Pushrod Length Checker...MAN42137- SKU:
- MAN42137
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 42137
$18.09 -
Manley Pushrod Length Checker SBC With 7/16in Stud 42132
MANLEY
$18.09Getting pushrod length wrong means valve float, bent pushrods, and catastrophic engine damage—especially in high-RPM Small Block applications. The Manley Pushrod Length Checker eliminates guesswork...MAN42132- SKU:
- MAN42132
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- 42132
$18.09 -
Manley Cam Locking Plate 42114
MANLEY
$3.38Precision camshaft timing is non-negotiable in high-performance engine builds, and this Manley locking plate ensures your cam stays exactly where it needs to be under load. Whether you're running a...MAN42114- SKU:
- MAN42114
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 42114
$3.38 -
Manley Chevy Thrust Button .690in Short 42113
MANLEY
$14.24Camshaft thrust buttons are critical wear components that maintain proper axial clearance and prevent damaging contact between your camshaft and cylinder head. A worn or missing thrust button can...MAN42113- SKU:
- MAN42113
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- 42113
$14.24 -
Manley Chevy Thrust Button 42111
MANLEY
$14.24Camshaft thrust control is critical to maintaining proper valve timing and preventing costly engine damage. The Manley Chevy Thrust Button 42111 is a precision roller-style thrust button engineered...MAN42111- SKU:
- MAN42111
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 42111
$14.24 -
Manley 11/32in Lash Caps 42104-16
MANLEY
$57.76Proper valve lash adjustment is critical for consistent performance, durability, and reliable engine operation across high-RPM applications. These Manley lash caps provide a precision solution for...MAN42104-16- SKU:
- MAN42104-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 42104-16
$57.76Qty in Cart: 0Quantity:Price:$57.76Subtotal: -
Manley 7/16in Head Bolt Washers (34) 42102
MANLEY
$15.42Head bolt washers are critical fastening components that distribute clamping force evenly across your cylinder head surface, preventing deformation and ensuring a reliable seal under extreme...MAN42102- SKU:
- MAN42102
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- 42102
$15.42 -
Manley Extreme Pressure Lube #3 (4oz.) 40177
MANLEY
$13.76Proper assembly lubrication is critical when building or servicing high-performance engines—inadequate lubrication during installation can cause catastrophic damage before an engine even fires...MAN40177- SKU:
- MAN40177
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- MFG Part #:
- 40177
$13.76 -
Manley 3/8in Moly Pushrods - 9.000in Long 25900-8
MANLEY
$111.70Manley moly pushrods are engineered for high-RPM stability and durability in demanding engine builds. The chromoly construction with 0.080in wall thickness resists deflection and flex under extreme...MAN25900-8- SKU:
- MAN25900-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- MFG Part #:
- 25900-8
$111.70 -
Manley 3/8in Moly Pushrods - 8.950in Long 25895-8
MANLEY
$111.70Manley moly pushrods are engineered for high-RPM engines that demand reliability under extreme valve train stress. The 0.080in thick-wall chromoly construction resists deflection and bending,...MAN25895-8- SKU:
- MAN25895-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.62 LBS
- MFG Part #:
- 25895-8
$111.70 -
Manley 3/8in Moly Pushrods - 8.850in Long 25885-8
MANLEY
$111.70Manley's 3/8in moly pushrods deliver the strength and precision required for high-RPM engines where valve train stability is non-negotiable. Constructed from chromoly with 0.080in thick walls and...MAN25885-8- SKU:
- MAN25885-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.61 LBS
- MFG Part #:
- 25885-8
$111.70
