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ARP’s heat-treated 8740 chrome moly wheel studs are a much-needed replacement for any car engaged in oval track or drag racing competition
Up to 25% less intake restriction compared to stock induction system in forced induction applications
but they are also half the weight of the factory bolts
5" Collector
Anodized Aluminum Dress-Up Washers
Kelford Cams: 272/280 | Stage 1 Turbo K20C4 Honda Civic Si 9th Gen (2012 - 2015) ARP’s heat-treated 8740 chrome molyFITS: 10th Gen Honda Accord 3rd Gen Acura RDX 2nd Gen Acura TSX 272 280 10. 70mm 11. 00mm 272 280 cams for the K20C4 engine. Cams suit street track day cars. Suits 54 66mm turbo upgrade. For engines making 450hp+. Increase in mid high rpm power. Valve spring upgrade required for high lift. For up to 9000rpm Kelford Cams recommend KVS279 BT. Valve to piston clearance needs checking. Primary exhaust lobe spec: 256 9. 9mm