Availability
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 3.905 in. Bore, Chevy LS, Set of 8
Part Number: HRS-839511304
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 278/280, Lift .625/.625, Chevy, Small Block LS, Each
Part Number: HRS-190965-13
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
DUAL VALVE SPRING
Part Number: HRS-98037
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Valve Spring, Dual, 1.290 in. Outside Diameter, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: HRS-98116
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Valve Springs, Dual, 1.295 in. Outside Diameter, 407 lbs./in. Rate, 1.060 in. Coil Bind Height, Set of 16
Part Number: HRS-98118
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, Valve Spring, Dual, 1.304 OD, .680 ID
Part Number: HRS-98122
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Valve Springs, Valve Spring, Dual, 1.300
Part Number: HRS-98335
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 272/272, Lift .561/.561, Chevy, Small Block LS, Each
Part Number: HRS-190225-13
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 272/278, Lift .553/.553, Chevy, Small Block LS, Each
Part Number: HRS-190275-17
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 274/274, Lift .612/.612, Chevy, Small Block LS, Each
Part Number: HRS-190285-15
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 290/290, Lift .625/.625, Chevy, Small Block LS, Each
Part Number: HRS-190305-15
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Rocker Arm, Direct Bolt-On, Full Roller, 1.8 Ratio, Aluminum, Purple Anodized, Chevy, LS1, LS2, LS6, Each
Part Number: HRS-90098-1
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Pistons, ProMax 2618 Race Pistons, Forged, Flat Top, 4.030 in. Bore, Chevy LS, Set of 8
Part Number: HRS-830311304
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
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