Description
PAC Racing 1300 Series Dual Spring Valve Springs 1015 lb. in Spring Rate 1.230" Coil Bind 1.550" OD (Set of 16) RG20003XS Eagle Competition Rotating Assembly Kit WEI7155 Eagle Competition Rotating Assembly Kit 408 CID Forged Crank Forged Pistons 4 385 Cranking amps and our High Tech Engine test lab Micro Hardness