Availability
Rev Kit Button
Part Number: HRS-90133-RKB
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring, Single, 1.265 in. Outside Diameter, 425 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: HRS-98212-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring, Single, 1.265 in. Outside Diameter, 380 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: HRS-98213-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring, Single, 1.250 in. Outside Diameter, 411 lbs./in. Rate, 1.160 in. Coil Bind Height, Each
Part Number: HRS-98214-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Springs, Single, 1.265 in. Diameter, 415 lb./in., 1.150 in. Coil Bind Height, Single
Part Number: HRS-98218-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring, Dual, 1.385 in. Outside Diameter, 263 lbs./in. Rate, 0.910 in. Coil Bind Height, Each
Part Number: HRS-98341-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring, Dual, 1.500 in. Outside Diameter, 475 lbs./in. Rate, 1.040 in. Coil Bind Height, Each
Part Number: HRS-98541-1
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring Retainers, Retainer, 10 Deg., 1.325"
Part Number: HRS-97175-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring, Single, 1.240 in. Outside Diameter, 335 lbs./in. Rate, 1.125 in. Coil Bind Height, Each
Part Number: HRS-98111-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
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: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Button, SB Chev
Part Number: HRS-HRRKB-OE
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Rev Kit Replacement Parts, Each
Part Number: HRS-MRRKB2
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
ProX Valve Shim 9.48 x 1.225 mm. (5 pcs.)
Part Number: PXR-29-948122-5
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Shim 1.250" x .875" x .030"
Part Number: HRS-96210-30-1
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Shim 1.437" x .645" x .030"
Part Number: HRS-96215-30-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Pushrod, High Energy, Steel, 5/16 in. Diameter, 9.668 in. Length, Buick, 350, Each
Part Number: CCA-7892-1
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Valve Spring Locator, Inside, Steel, 0.505 in. I.D., 1.300 in. O.D., Each
Part Number: BTC-SLS1361
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
BTR Rocker Arm Trunion Kit Assembly Washer; Set of 2
Part Number: BTC-TK-WASHER-2
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
BTR Chromoly One Piece Pushrod; 7.400" Long, .080" Wall, 11/32" Diameter
Part Number: BTC-PR7400343-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Trend 8.275 .080 wall 11/32" Individual Chromoly Pushrod
Part Number: BTC-PR8275343-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Timing Chain Guide, Lower, Aluminum/Plastic, Black/White, Buick, Cadillac, Chevy, GMC, Saturn, Suzuki, Each
Part Number: CLO-9-5548
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Timing Chain Guide
Part Number: CLO-9-5583
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.