Camshafts & Valvetrain

Cam Button Kit

Part Number: PIO-839028

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

camshaft pins

Part Number: PIO-839047

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

ROCKER ARM BALL

Part Number: PIO-S-1024

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

CAM THRUST BUTTON

Part Number: PIO-500006

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

Camshaft Thrust Buttons

Part Number: PIO-500007

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

SINGLE VALVE SPRING

Part Number: PIO-53574700

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

Timing Pointers

Part Number: PIO-500454S-TM

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

• Special Order

Rev Kit Button

Part Number: HRS-90133-RKB

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Rev Kit Button

Part Number: HRS-90132-RKB

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring, Dual, 1.500 in. Outside Diameter, 475 lbs./in. Rate, 1.040 in. Coil Bind Height, Each

Part Number: HRS-98541-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring, Dual, 1.550 in. Outside Diameter, 341 lbs./in. Rate, 1.150 in. Coil Bind Height, Each

Part Number: HRS-98611-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring Locators, Inside, Steel, .035 in. Thick, 1.270 in. O.D., .505 in. I.D., Each

Part Number: HRS-96023-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Spring Locator, 1.550", 1.550" x .635"

Part Number: HRS-96025-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring Locators, Inside, Steel, .060 in. Thick, 1.550 in. O.D., .570 in. I.D., Each

Part Number: HRS-96031-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Spring Locator, 1.625", 1.625" x .635"

Part Number: HRS-96035-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Spring Locator, 1.625", 1.625" x .570"

Part Number: HRS-96040-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Shim, 1.250" x .812" x .060"

Part Number: HRS-96205-60-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Shim 1.250" x .875" x .030"

Part Number: HRS-96210-30-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Shim 1.437" x .645" x .030"

Part Number: HRS-96215-30-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring, Dual, 1.445 in. Outside Diameter, 347 lbs./in. Rate, 1.125 in. Coil Bind Height, Each

Part Number: HRS-98412-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring, Dual, 1.437 in. Outside Diameter, 380 lbs./in. Rate, 1.250 in. Coil Bind Height, Each

Part Number: HRS-98431-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Springs, Dual, Hydraulic Flat Tappet, 1.435 in. O.D., 251 lbs./in, 1.055 in. Coil Bind Height, Each

Part Number: HRS-98436-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring, Dual, 1.437 in. Outside Diameter, 283 lbs./in. Rate, 1.025 in. Coil Bind Height, Each

Part Number: HRS-98442-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Valve Spring, Dual, 1.510 in. Outside Diameter, 350 lbs./in. Rate, 1.300 in. Coil Bind Height, Each

Part Number: HRS-98515-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order

Stud, Chev SB, 7/16"

Part Number: HRS-94656-1

Not Yet Reviewed

Estimated Ship Date: Dec 10, 2025 if ordered today

• Drop Ship
• Special Order