Gearhead Gifts - Find the Perfect Gift for the Gearhead on Your List!

Gearhead Gifts - Find the Perfect Gift
for the Gearhead on Your List!

$5 Off Your $100 Mobile App Purchase!

Selected Filters


Loading...

Availability


KB Performance Hyper Piston and Ring Kits

4.58 out of 5 stars 71 Customer Reviews

KB Performance Hyper piston and ring kits are offered for a wide range of applications from street and towing to marine and race. The kits feature pistons cast from
KB Performance Hyper piston and ring kits are offered for a wide range of applications from street and towing to marine and race. The kits feature pistons cast from 390 hypereutectic alloy heat-treated to T-6 standards to make them stronger. The pistons also feature fully machined crowns and valve pockets. KB hypereutectic pistons come in several head designs, as well as standard and oversized bore sizes. All KB Hyper pistons are lightweight to improve throttle response and rpm changes, while still being strong enough to withstand high compression and high temperatures. KB Performance Hyper kits (KT) are completed wi
KB Performance Hyper piston and ring kits are offered for a wide range of applications from street and towing to marine and race. The kits feature pistons cast from 390 hypereutectic alloy heat-treated to T-6 standards to make them stronger. The pistons also feature fully machined crowns and valve pockets. KB hypereutectic pistons come in several head designs, as well as standard and oversized bore sizes. All KB Hyper pistons are lightweight to improve throttle response and rpm changes, while still being strong enough to withstand high compression and high temperatures. KB Performance Hyper kits (KT) are completed with piston ring sets containing top rings of moly-coated cast iron (M) or ductile iron (D).

Results 1 - 25 of 906

Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB115KTM-030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB107KTM-030

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 4.350 in. Bore, Chrysler, Kit

Part Number: UEM-KB237KTM030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Dome, 4.155 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB160KTM-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 4.390 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB137KTM-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Dome, 3.940 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB399KTM-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Ford, Kit

Part Number: UEM-KB151KTM-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 3.935 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB165KTM-060

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 3.910 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB167KTM-STD

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 4.280 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB202KTM-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 4.372 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB240KTM-030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Dome, 4.030 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB116KTM-030

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 4.060 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB107KTM-060

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Flat, 4.400 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB137KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Dish, 4.020 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB364KTM-020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Flat, 3.915 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB165KTM-040

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Flat, 3.940 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB167KTM-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Dish, 4.420 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB206KTM-060

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Step Dish, 4.080 in. Bore, Ford, Big Block FE, Kit

Part Number: UEM-KB150KTM-030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Dish, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB193KTM-030

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Dome, 4.125 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB361KTM-STD

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 12, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Flat, 4.360 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB137KTM-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Dish, 4.254 in. Bore, Ford, Big Block FE, Kit

Part Number: UEM-KB199KTM-020

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Flat, 4.000 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB124KTD-STD

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Piston and Ring Kit, Hypereutectic, Dish, 4.156 in. Bore, Oldsmobile, V8, Kit

Part Number: UEM-KB277KTM-030

Not Yet Reviewed

Estimated Ship Date: Dec 12, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 12, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.