Availability
Engines & Engine Parts
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S273903-7
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S27400012
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S274075-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S43400512
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S434030-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S43785-7F
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S454030-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S45780-7P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S453898-3
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Spring, Dual, 1.290 in. Outside Diameter, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: HRS-98116-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Rocker Arms, Pedestal, Full Roller, 1.7 Ratio, Aluminum, Chevy, LS3 and L92, Each
Part Number: HRS-90095-1
Not Yet Reviewed
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.900 in. Stroke, 6.125 in. Rod, 1.165 in. Compression, Chevy, Left, Each
Part Number: JEP-323981L
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.290 in. Outside Diameter, Set of 16
Part Number: HRS-97162
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Forged, Flat Top, 2-Valve Reliefs, 4.080 in. Bore, 4.100 in. Stroke, 6.125 in. Rod, 1.115 in. Compression, Chevy, Left, Each
Part Number: JEP-311997L
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm, Direct Bolt-On, Full Roller, 1.7 Ratio, Aluminum, Purple, Chevy, LS1, LS2, LS6, Each
Part Number: HRS-90097-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-110S274075-6
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S274040-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S45400512
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Each
Part Number: SUM-141556-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
1.8 L-92 Blue Race Series Rocker Arms Set of 16
Part Number: SCC-SCP1063
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-299S273898-7
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S43820-2F
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S45820-2P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-326S45820-7P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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