spark plugs for SR: standard - bkr6e performance - BKR7E (4853) KOYO: S13 R020252 S14 R020369 Z32 drive beltsforSR: K040347 x2 K050370 Underdrive belts: K050360x1 K040335x2 heater hoses: 19628 19619 Radiator hose: 20893 Z32TT w/ underdrive pulley: p/s = K040355 or 920mm or PE 4PK920 alt = K040390 or 1005mm or PE 4PK a/c = K040365 or 945mm or PE 4PK940