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4 -3 Call -- 1000255 AT 4310 498 4
RHS CNC-ported aluminum cylinder heads for GM LS-series small-block V8 engines take performance to the next level
850 Standard 25 / 50 SA 2017 / SA 2027 / BM 2017 / BM 2027
True® Roller Chain with
PAC EXTREME DUTY NITRIDED NANO-PEENED .750 LIFT LS VALVE SPRINGS 4 -3 Call -- 1000255CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. Part# Outer Spring I. D. Outer Spring O. D. Middle Spring I. D. Inside Spring I. D. Install Load Install Height Open Load Open Height Coil Bind Max Lift Max Quantity PAC 1530 1. 284 0. 9 No 0. 616 160 @ 2. 000 580 @ 1. 250 560 1. 180 0. 750 PAC R532 PAC R432 N A PAC S128 N A High Performance High Endurance LS Circle Track 16 $761. 28 American made nitrided chrome silicone double drag race spring