Availability
1,169 Results Found For "ratio"
Pulley Set, Serpentine, Standard Ratio, Billet Aluminum, Chevy, Small Block, Long Water Pump, Kit
Part Number: SUM-329711
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, Fits 7/16 in. Stud, AMC, Ford, Oldmobile, Set of 16
Part Number: PQX-62302716
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Big Block PRO BBC H.R. 5.5 H.O. Cam, LS Firing Order, 236/252 Duration @ .050, 110 LSA + 4 Adv, .624/.624 with 1.7 ratio, .661/.661 with 1.8 3700-6600
Part Number: SUM-1263-H-O
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Off-Road Series, Full Roller, 1.6 Ratio, Non-Adjustable, Aluminum, 5/16 in. Pedestal, Jeep, L6, Set of 12
Part Number: SCC-0500
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Stud Mount, Full Roller, Billet Aluminum, 1.6 Ratio, Fits 3/8 in. Stud, Ford, Oldsmobile, Set of 16
Part Number: PQX-6528901
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pro BBF Big Block 385 Ser. Best Hydraulic Roller Cam 3, 224/236 Duration, 111 LSA + 4 Adv. .582/.582 lift 1.75 ratio, 3,000 to 6,000 basic rpm,429 460
Part Number: SUM-8932
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pro BBC Chevy Big Block Turbo Cam 3, LS Firing Order, 242/242 Duration, 116.5 LSA, 2.5 Adv. .620/.620 lift 1.7 ratio, .655/.655 1.8, 3,700-7000
Part Number: SUM-1264
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.55 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16
Part Number: PQX-0235011
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Rocker Arms, Race Series, Stud Mount, Full Roller, Fits 7/16 in. Stud. Aluminum, 1.6 Ratio, Chevy, Set of 16
Part Number: SCC-SCP1113
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Cam and Lifter kit, Pro SBC Stage 8 Hyd.Flat-Tappet 4/7 Firing Order Swap, 252/258 Dur., 107 LSA + 1.5 Adv, .533/.540 1.5 Ratio, 3200-7200 Range
Part Number: SUM-K1207
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16
Part Number: SUM-G6906
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Stud Mount, Full Roller, Steel, 1.52 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 8
Part Number: CCA-1604-8
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, 1.5 Ratio, 3/8 in. Stud, Narrow Body, Full Roller, Aluminum, Chevy 5.0L/5.7L, Set of 16
Part Number: TFS-31400512
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.72 Ratio, Ford, Small Block, Set of 16
Part Number: SCC-SCP1022
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Proform Pedestal Mount Extruded Aluminum Roller Rocker Arms 66878P
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026
Pro SB Chrysler Magnum Best Hydraulic Roller Cam 1, 212/218 Duration, 111 LSA + 2 Adv. .560/.554 lift 1.6 ratio, .595/.588 1.7 ratio, 1,500-6,000 rpm
Part Number: SUM-5775
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Pro BBF Big Block 385 Ser. Best Hydraulic Roller Cam 4, 232/242 Duration, 111 LSA + 5 Adv. .582/.582 lift 1.75 ratio, 3,200 to 6,500 basic rpm,429 460
Part Number: SUM-8933
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Combo, Proform, Rocker Arms, Roller, 1.7 Ratio, Valve Lash Adjustment Tool, Chevy, Big Block, Kit
Part Number: CMB-09-0016
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, 1.6 Ratio, 3/8 in. Stud, Full Roller Design, Aluminum, Small Chevy, Set of 16
Part Number: TFS-31400511
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Stud Mount, Full Roller, Alum., 1.5 Ratio, Fits 7/16 in Stud, Chevy, Small Block, Offset Intakes
Part Number: CSP-S1004-050
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, 7/16 in. Stud, Chevy, Small Block, Set of 16
Part Number: SCC-SCP3003
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Chrysler LA Long Snout Hydraulic Roller Cam 1, 212/218 Duration, 111 LSA + 2 Adv. .525/.520 lift 1.5 ratio, .560/.554 1.6 ratio, 1,800-5,800 rpm
Part Number: SUM-5770
Not Yet Reviewed
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.72 Ratio, Fits 7/16 in. Stud, Ford, 289-351, V8, Set of 16
Part Number: HRS-90082
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.6/1.7 Ratio, Fits 7/16 in. Stud, Ford, Small Block Windsor, Set of 16
Part Number: PQX-0230212
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Fits 3/8 in. Stud, AMC, V8, Set of 16
Part Number: CSP-S4004
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Rocker Arms, Shaft Mount, 1.5 Ratio, Aluminum, Roller Rockers, Shafts, Spacers, Mopar, Big Block B/RB, Set of 16
Part Number: PRO-440-868
Estimated Ship Date: Monday 2/23/2026 if shipped by air
Estimated Ship Date: Monday 2/23/2026 if shipped by air
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