Availability
Valve Springs, Dual, 1.550 in. Outside Diameter, 521 lbs./in. Rate, 1.190 in. Coil Bind Height, Set of 16
Part Number: HRS-98637
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, Dual, 1.625 in. Outside Diameter, 593 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: HRS-98745
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Valve Springs, Dual, 1.640 in. Outside Diameter, 645 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: HRS-98739
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Valve Springs, Triple, 1.660 in. Outside Diameter, 725 lbs./in. Rate, 1.145 in. Coil Bind Height, Set of 16
Part Number: HRS-98049
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 279/279, Lift .527/.527, Chevy, Big Block, Kit
Part Number: HRS-CL120941-11
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 275/275, Lift .470/.470, Chevy, Small Block, Kit
Part Number: HRS-CL110991-08
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Big Daddy Rattler, LS-Series, Hydraulic/OE Roller, 3 Bolt, Street/Strip, Lopey Idle, 290/297 Duration, 0.625 in. Lift, 103 Centerline, Each
Part Number: HRS-198135-09
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 285/289, Lift .480/.488, Chevy, Small Block, Kit
Part Number: HRS-CL112141-10
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam, Chev SB, Hyd Roller
Part Number: HRS-118085-09
Not Yet Reviewed
Estimated Ship Date: Nov 7, 2025 if ordered today
Estimated Ship Date: Nov 7, 2025 if ordered today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 275/275, Lift .470/.470, Chevy, Small Block, Kit
Part Number: HRS-MC11099108DL
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 285/285, Lift .501/.501, Ford, 351W, Kit
Part Number: HRS-CL220961-08
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 255/262, Lift .410/.420, Chevy, Small Block, Kit
Part Number: HRS-MC11200114DL
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 277/287, Lift .563/.592, Ford, 351W, Kit
Part Number: HRS-CL222591-12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 305/313, Lift .612/.595, Chevy, Big Block, Each
Part Number: HRS-CL121861-12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Hydraulic Flat Tappet, Advertised Duration 285/285, Lift .480/.480, Chevy, Small Block, Kit
Part Number: HRS-MC11203108DL
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Dart, Brodix, AFR and RHS, Kit
Part Number: HRS-90121
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdles, Maximum Effort, Clamp-On, 0.550 in. Minimum Rocker Slot Width, Aluminum, Purple Anodized, Chevrolet, Big Block Mark IV, Pair
Part Number: HRS-90121X
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Camshaft, Mechanical Roller Tappet, Advertised Duration 293/301, Lift .680/.680, Chevy, Big Block, Each
Part Number: HRS-121133-14
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Rattler, Hydraulic Flat Tappet, Advertised Duration 297/305, Lift .507/.495, Chevy, Small Block, Kit
Part Number: HRS-CL118081-09
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Mechanical Roller Tappet, Advertised Duration 291/295, Lift .640/.640, Chrysler, Big Block, Each
Part Number: HRS-722323-08
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 294/300, Lift .545/.550, Chrysler, Small Block, Each
Part Number: HRS-710665-10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Boost, OE Hydraulic Roller Tappet, Advertised Duration 307/317, Lift .600/.600, Chevrolet, Small Block, Each
Part Number: HRS-189425-14
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 300/308, Lift .680/.680, Chevy, Big Block
Part Number: HRS-123505-10
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Camshaft, Mechanical Roller Tappet, Advertised Duration 279/279, Lift .585/.585, Chevy, Small Block, Each
Part Number: HRS-111313-12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Mechanical Roller Tappet, Advertised Duration 291/299, Lift .683/.672, Ford, 351W, Each
Part Number: HRS-222123-08
Not Yet Reviewed
Estimated Ship Date: Nov 6, 2025 if ordered today
Estimated Ship Date: Nov 6, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.